Home / 1,079,740.08-1,490,041.28-627,060.24

Finding the Fourth Proportional to 1,079,740.08, 1,490,041.28 and 627,060.24

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Solution

The fourth proportional to 1,079,740.08, 1,490,041.28 and 627,060.24 is: 865,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,740.08 : 1,490,041.28 = 627,060.24 : x
  2. Step 2: Convert to fraction form
    1,079,740.08/1,490,041.28 = 627,060.24/x
  3. Step 3: Cross multiply
    1,079,740.08x = 1,490,041.28 × 627,060.24
  4. Step 4: Simplify right side
    1,079,740.08x = 934,345,642,646.71
  5. Step 5: Solve for x
    x = 934,345,642,646.71/1,079,740.08
  6. Step 6: Final answer
    x = 865,343.11

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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.