Home / 867,557.20-1,301,335.80-563,126.80

Finding the Fourth Proportional to 867,557.20, 1,301,335.80 and 563,126.80

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Solution

The fourth proportional to 867,557.20, 1,301,335.80 and 563,126.80 is: 844,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,557.20 : 1,301,335.80 = 563,126.80 : x
  2. Step 2: Convert to fraction form
    867,557.20/1,301,335.80 = 563,126.80/x
  3. Step 3: Cross multiply
    867,557.20x = 1,301,335.80 × 563,126.80
  4. Step 4: Simplify right side
    867,557.20x = 732,817,064,779.44
  5. Step 5: Solve for x
    x = 732,817,064,779.44/867,557.20
  6. Step 6: Final answer
    x = 844,690.20

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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.