Home / 862,044.07-1,189,535.65-480,106.39

Finding the Fourth Proportional to 862,044.07, 1,189,535.65 and 480,106.39

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Solution

The fourth proportional to 862,044.07, 1,189,535.65 and 480,106.39 is: 662,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,044.07 : 1,189,535.65 = 480,106.39 : x
  2. Step 2: Convert to fraction form
    862,044.07/1,189,535.65 = 480,106.39/x
  3. Step 3: Cross multiply
    862,044.07x = 1,189,535.65 × 480,106.39
  4. Step 4: Simplify right side
    862,044.07x = 571,103,666,697.80
  5. Step 5: Solve for x
    x = 571,103,666,697.80/862,044.07
  6. Step 6: Final answer
    x = 662,499.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.