Home / 563,602.20-845,403.30-493,618.20

Finding the Fourth Proportional to 563,602.20, 845,403.30 and 493,618.20

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Solution

The fourth proportional to 563,602.20, 845,403.30 and 493,618.20 is: 740,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,602.20 : 845,403.30 = 493,618.20 : x
  2. Step 2: Convert to fraction form
    563,602.20/845,403.30 = 493,618.20/x
  3. Step 3: Cross multiply
    563,602.20x = 845,403.30 × 493,618.20
  4. Step 4: Simplify right side
    563,602.20x = 417,306,455,220.06
  5. Step 5: Solve for x
    x = 417,306,455,220.06/563,602.20
  6. Step 6: Final answer
    x = 740,427.30

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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.