Home / 849,715.39-1,172,631.80-462,555.91

Finding the Fourth Proportional to 849,715.39, 1,172,631.80 and 462,555.91

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Solution

The fourth proportional to 849,715.39, 1,172,631.80 and 462,555.91 is: 638,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,715.39 : 1,172,631.80 = 462,555.91 : x
  2. Step 2: Convert to fraction form
    849,715.39/1,172,631.80 = 462,555.91/x
  3. Step 3: Cross multiply
    849,715.39x = 1,172,631.80 × 462,555.91
  4. Step 4: Simplify right side
    849,715.39x = 542,407,767,568.75
  5. Step 5: Solve for x
    x = 542,407,767,568.75/849,715.39
  6. Step 6: Final answer
    x = 638,340.53

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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.