Home / 877,318.76-1,210,626.98-514,704.68

Finding the Fourth Proportional to 877,318.76, 1,210,626.98 and 514,704.68

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Solution

The fourth proportional to 877,318.76, 1,210,626.98 and 514,704.68 is: 710,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,318.76 : 1,210,626.98 = 514,704.68 : x
  2. Step 2: Convert to fraction form
    877,318.76/1,210,626.98 = 514,704.68/x
  3. Step 3: Cross multiply
    877,318.76x = 1,210,626.98 × 514,704.68
  4. Step 4: Simplify right side
    877,318.76x = 623,115,372,340.27
  5. Step 5: Solve for x
    x = 623,115,372,340.27/877,318.76
  6. Step 6: Final answer
    x = 710,249.68

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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.