Home / 930,353.28-1,283,887.53-522,455.46

Finding the Fourth Proportional to 930,353.28, 1,283,887.53 and 522,455.46

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Solution

The fourth proportional to 930,353.28, 1,283,887.53 and 522,455.46 is: 720,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,353.28 : 1,283,887.53 = 522,455.46 : x
  2. Step 2: Convert to fraction form
    930,353.28/1,283,887.53 = 522,455.46/x
  3. Step 3: Cross multiply
    930,353.28x = 1,283,887.53 × 522,455.46
  4. Step 4: Simplify right side
    930,353.28x = 670,774,050,074.41
  5. Step 5: Solve for x
    x = 670,774,050,074.41/930,353.28
  6. Step 6: Final answer
    x = 720,988.54

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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.