Home / 739,357.80-1,109,036.70-473,637.30

Finding the Fourth Proportional to 739,357.80, 1,109,036.70 and 473,637.30

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Solution

The fourth proportional to 739,357.80, 1,109,036.70 and 473,637.30 is: 710,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,357.80 : 1,109,036.70 = 473,637.30 : x
  2. Step 2: Convert to fraction form
    739,357.80/1,109,036.70 = 473,637.30/x
  3. Step 3: Cross multiply
    739,357.80x = 1,109,036.70 × 473,637.30
  4. Step 4: Simplify right side
    739,357.80x = 525,281,148,188.91
  5. Step 5: Solve for x
    x = 525,281,148,188.91/739,357.80
  6. Step 6: Final answer
    x = 710,455.95

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Double scale
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Similar ratio
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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.