Home / 855,436.74-1,180,379.10-473,462.61

Finding the Fourth Proportional to 855,436.74, 1,180,379.10 and 473,462.61

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Solution

The fourth proportional to 855,436.74, 1,180,379.10 and 473,462.61 is: 653,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,436.74 : 1,180,379.10 = 473,462.61 : x
  2. Step 2: Convert to fraction form
    855,436.74/1,180,379.10 = 473,462.61/x
  3. Step 3: Cross multiply
    855,436.74x = 1,180,379.10 × 473,462.61
  4. Step 4: Simplify right side
    855,436.74x = 558,865,369,475.45
  5. Step 5: Solve for x
    x = 558,865,369,475.45/855,436.74
  6. Step 6: Final answer
    x = 653,309.99

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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.