Home / 1,154,715.32-1,593,478.90-638,456.10

Finding the Fourth Proportional to 1,154,715.32, 1,593,478.90 and 638,456.10

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Solution

The fourth proportional to 1,154,715.32, 1,593,478.90 and 638,456.10 is: 881,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,715.32 : 1,593,478.90 = 638,456.10 : x
  2. Step 2: Convert to fraction form
    1,154,715.32/1,593,478.90 = 638,456.10/x
  3. Step 3: Cross multiply
    1,154,715.32x = 1,593,478.90 × 638,456.10
  4. Step 4: Simplify right side
    1,154,715.32x = 1,017,366,323,926.29
  5. Step 5: Solve for x
    x = 1,017,366,323,926.29/1,154,715.32
  6. Step 6: Final answer
    x = 881,053.80

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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.