Home / 930,220.68-1,283,688.20-522,325.74

Finding the Fourth Proportional to 930,220.68, 1,283,688.20 and 522,325.74

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Solution

The fourth proportional to 930,220.68, 1,283,688.20 and 522,325.74 is: 720,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,220.68 : 1,283,688.20 = 522,325.74 : x
  2. Step 2: Convert to fraction form
    930,220.68/1,283,688.20 = 522,325.74/x
  3. Step 3: Cross multiply
    930,220.68x = 1,283,688.20 × 522,325.74
  4. Step 4: Simplify right side
    930,220.68x = 670,503,388,994.27
  5. Step 5: Solve for x
    x = 670,503,388,994.27/930,220.68
  6. Step 6: Final answer
    x = 720,800.35

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Half scale
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Double scale
Find fourth proportional to 930,221.68, 1,283,689.58 and 522,326.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.