Home / 1,086,386.08-1,499,345.51-627,500.13

Finding the Fourth Proportional to 1,086,386.08, 1,499,345.51 and 627,500.13

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Solution

The fourth proportional to 1,086,386.08, 1,499,345.51 and 627,500.13 is: 866,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,386.08 : 1,499,345.51 = 627,500.13 : x
  2. Step 2: Convert to fraction form
    1,086,386.08/1,499,345.51 = 627,500.13/x
  3. Step 3: Cross multiply
    1,086,386.08x = 1,499,345.51 × 627,500.13
  4. Step 4: Simplify right side
    1,086,386.08x = 940,839,497,166.86
  5. Step 5: Solve for x
    x = 940,839,497,166.86/1,086,386.08
  6. Step 6: Final answer
    x = 866,026.84

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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.