Home / 837,359.19-1,155,149.78-497,586.87

Finding the Fourth Proportional to 837,359.19, 1,155,149.78 and 497,586.87

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Solution

The fourth proportional to 837,359.19, 1,155,149.78 and 497,586.87 is: 686,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,359.19 : 1,155,149.78 = 497,586.87 : x
  2. Step 2: Convert to fraction form
    837,359.19/1,155,149.78 = 497,586.87/x
  3. Step 3: Cross multiply
    837,359.19x = 1,155,149.78 × 497,586.87
  4. Step 4: Simplify right side
    837,359.19x = 574,787,360,923.45
  5. Step 5: Solve for x
    x = 574,787,360,923.45/837,359.19
  6. Step 6: Final answer
    x = 686,428.68

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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.