Home / 931,217.16-1,285,088.12-563,702.74

Finding the Fourth Proportional to 931,217.16, 1,285,088.12 and 563,702.74

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Solution

The fourth proportional to 931,217.16, 1,285,088.12 and 563,702.74 is: 777,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,217.16 : 1,285,088.12 = 563,702.74 : x
  2. Step 2: Convert to fraction form
    931,217.16/1,285,088.12 = 563,702.74/x
  3. Step 3: Cross multiply
    931,217.16x = 1,285,088.12 × 563,702.74
  4. Step 4: Simplify right side
    931,217.16x = 724,407,694,385.45
  5. Step 5: Solve for x
    x = 724,407,694,385.45/931,217.16
  6. Step 6: Final answer
    x = 777,914.89

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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.