Home / 578,002.30-867,003.45-578,002.30

Finding the Fourth Proportional to 578,002.30, 867,003.45 and 578,002.30

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Solution

The fourth proportional to 578,002.30, 867,003.45 and 578,002.30 is: 867,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,002.30 : 867,003.45 = 578,002.30 : x
  2. Step 2: Convert to fraction form
    578,002.30/867,003.45 = 578,002.30/x
  3. Step 3: Cross multiply
    578,002.30x = 867,003.45 × 578,002.30
  4. Step 4: Simplify right side
    578,002.30x = 501,129,988,207.94
  5. Step 5: Solve for x
    x = 501,129,988,207.94/578,002.30
  6. Step 6: Final answer
    x = 867,003.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.