Home / 837,529.11-1,156,191.71-515,515.23

Finding the Fourth Proportional to 837,529.11, 1,156,191.71 and 515,515.23

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Solution

The fourth proportional to 837,529.11, 1,156,191.71 and 515,515.23 is: 711,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,529.11 : 1,156,191.71 = 515,515.23 : x
  2. Step 2: Convert to fraction form
    837,529.11/1,156,191.71 = 515,515.23/x
  3. Step 3: Cross multiply
    837,529.11x = 1,156,191.71 × 515,515.23
  4. Step 4: Simplify right side
    837,529.11x = 596,034,432,727.17
  5. Step 5: Solve for x
    x = 596,034,432,727.17/837,529.11
  6. Step 6: Final answer
    x = 711,658.17

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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.