Home / 838,037.07-1,156,517.39-475,476.21

Finding the Fourth Proportional to 838,037.07, 1,156,517.39 and 475,476.21

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Solution

The fourth proportional to 838,037.07, 1,156,517.39 and 475,476.21 is: 656,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,037.07 : 1,156,517.39 = 475,476.21 : x
  2. Step 2: Convert to fraction form
    838,037.07/1,156,517.39 = 475,476.21/x
  3. Step 3: Cross multiply
    838,037.07x = 1,156,517.39 × 475,476.21
  4. Step 4: Simplify right side
    838,037.07x = 549,896,506,584.98
  5. Step 5: Solve for x
    x = 549,896,506,584.98/838,037.07
  6. Step 6: Final answer
    x = 656,172.06

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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.