Home / 739,711.60-1,108,919.40-502,284.40

Finding the Fourth Proportional to 739,711.60, 1,108,919.40 and 502,284.40

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Solution

The fourth proportional to 739,711.60, 1,108,919.40 and 502,284.40 is: 752,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,711.60 : 1,108,919.40 = 502,284.40 : x
  2. Step 2: Convert to fraction form
    739,711.60/1,108,919.40 = 502,284.40/x
  3. Step 3: Cross multiply
    739,711.60x = 1,108,919.40 × 502,284.40
  4. Step 4: Simplify right side
    739,711.60x = 556,992,915,477.36
  5. Step 5: Solve for x
    x = 556,992,915,477.36/739,711.60
  6. Step 6: Final answer
    x = 752,986.59

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Double scale
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1.5x scale

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.