Home / 761,052.38-1,140,587.08-424,079.42

Finding the Fourth Proportional to 761,052.38, 1,140,587.08 and 424,079.42

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Solution

The fourth proportional to 761,052.38, 1,140,587.08 and 424,079.42 is: 635,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,052.38 : 1,140,587.08 = 424,079.42 : x
  2. Step 2: Convert to fraction form
    761,052.38/1,140,587.08 = 424,079.42/x
  3. Step 3: Cross multiply
    761,052.38x = 1,140,587.08 × 424,079.42
  4. Step 4: Simplify right side
    761,052.38x = 483,699,500,582.76
  5. Step 5: Solve for x
    x = 483,699,500,582.76/761,052.38
  6. Step 6: Final answer
    x = 635,566.64

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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.