Home / 1,411,781.59-2,118,088.05-513,209.17

Finding the Fourth Proportional to 1,411,781.59, 2,118,088.05 and 513,209.17

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Solution

The fourth proportional to 1,411,781.59, 2,118,088.05 and 513,209.17 is: 769,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,781.59 : 2,118,088.05 = 513,209.17 : x
  2. Step 2: Convert to fraction form
    1,411,781.59/2,118,088.05 = 513,209.17/x
  3. Step 3: Cross multiply
    1,411,781.59x = 2,118,088.05 × 513,209.17
  4. Step 4: Simplify right side
    1,411,781.59x = 1,087,022,210,127.42
  5. Step 5: Solve for x
    x = 1,087,022,210,127.42/1,411,781.59
  6. Step 6: Final answer
    x = 769,964.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.