Home / 876,155.04-1,314,034.36-402,384.96

Finding the Fourth Proportional to 876,155.04, 1,314,034.36 and 402,384.96

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Solution

The fourth proportional to 876,155.04, 1,314,034.36 and 402,384.96 is: 603,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,155.04 : 1,314,034.36 = 402,384.96 : x
  2. Step 2: Convert to fraction form
    876,155.04/1,314,034.36 = 402,384.96/x
  3. Step 3: Cross multiply
    876,155.04x = 1,314,034.36 × 402,384.96
  4. Step 4: Simplify right side
    876,155.04x = 528,747,663,387.23
  5. Step 5: Solve for x
    x = 528,747,663,387.23/876,155.04
  6. Step 6: Final answer
    x = 603,486.41

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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.