Home / 1,316,191.76-1,974,287.90-474,743.42

Finding the Fourth Proportional to 1,316,191.76, 1,974,287.90 and 474,743.42

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Solution

The fourth proportional to 1,316,191.76, 1,974,287.90 and 474,743.42 is: 712,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,191.76 : 1,974,287.90 = 474,743.42 : x
  2. Step 2: Convert to fraction form
    1,316,191.76/1,974,287.90 = 474,743.42/x
  3. Step 3: Cross multiply
    1,316,191.76x = 1,974,287.90 × 474,743.42
  4. Step 4: Simplify right side
    1,316,191.76x = 937,280,189,710.62
  5. Step 5: Solve for x
    x = 937,280,189,710.62/1,316,191.76
  6. Step 6: Final answer
    x = 712,115.22

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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.