Home / 624,555.14-861,885.38-338,075.14

Finding the Fourth Proportional to 624,555.14, 861,885.38 and 338,075.14

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Solution

The fourth proportional to 624,555.14, 861,885.38 and 338,075.14 is: 466,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,555.14 : 861,885.38 = 338,075.14 : x
  2. Step 2: Convert to fraction form
    624,555.14/861,885.38 = 338,075.14/x
  3. Step 3: Cross multiply
    624,555.14x = 861,885.38 × 338,075.14
  4. Step 4: Simplify right side
    624,555.14x = 291,382,020,507.45
  5. Step 5: Solve for x
    x = 291,382,020,507.45/624,555.14
  6. Step 6: Final answer
    x = 466,543.31

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Half scale
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Double scale
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Similar ratio
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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.