Home / 1,787,015-2,466,096.98-971,220.75

Finding the Fourth Proportional to 1,787,015, 2,466,096.98 and 971,220.75

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Solution

The fourth proportional to 1,787,015, 2,466,096.98 and 971,220.75 is: 1,340,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,015 : 2,466,096.98 = 971,220.75 : x
  2. Step 2: Convert to fraction form
    1,787,015/2,466,096.98 = 971,220.75/x
  3. Step 3: Cross multiply
    1,787,015x = 2,466,096.98 × 971,220.75
  4. Step 4: Simplify right side
    1,787,015x = 2,395,124,558,488.34
  5. Step 5: Solve for x
    x = 2,395,124,558,488.34/1,787,015
  6. Step 6: Final answer
    x = 1,340,293.48

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Double scale
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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.