Home / 730,561.53-1,008,178.65-408,277.02

Finding the Fourth Proportional to 730,561.53, 1,008,178.65 and 408,277.02

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Solution

The fourth proportional to 730,561.53, 1,008,178.65 and 408,277.02 is: 563,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,561.53 : 1,008,178.65 = 408,277.02 : x
  2. Step 2: Convert to fraction form
    730,561.53/1,008,178.65 = 408,277.02/x
  3. Step 3: Cross multiply
    730,561.53x = 1,008,178.65 × 408,277.02
  4. Step 4: Simplify right side
    730,561.53x = 411,616,174,849.62
  5. Step 5: Solve for x
    x = 411,616,174,849.62/730,561.53
  6. Step 6: Final answer
    x = 563,424.38

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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.