Home / 807,358.16-1,114,310.72-463,397.74

Finding the Fourth Proportional to 807,358.16, 1,114,310.72 and 463,397.74

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Solution

The fourth proportional to 807,358.16, 1,114,310.72 and 463,397.74 is: 639,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,358.16 : 1,114,310.72 = 463,397.74 : x
  2. Step 2: Convert to fraction form
    807,358.16/1,114,310.72 = 463,397.74/x
  3. Step 3: Cross multiply
    807,358.16x = 1,114,310.72 × 463,397.74
  4. Step 4: Simplify right side
    807,358.16x = 516,369,069,305.77
  5. Step 5: Solve for x
    x = 516,369,069,305.77/807,358.16
  6. Step 6: Final answer
    x = 639,578.68

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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.