Home / 569,723.40-854,585.10-286,288.20

Finding the Fourth Proportional to 569,723.40, 854,585.10 and 286,288.20

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Solution

The fourth proportional to 569,723.40, 854,585.10 and 286,288.20 is: 429,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,723.40 : 854,585.10 = 286,288.20 : x
  2. Step 2: Convert to fraction form
    569,723.40/854,585.10 = 286,288.20/x
  3. Step 3: Cross multiply
    569,723.40x = 854,585.10 × 286,288.20
  4. Step 4: Simplify right side
    569,723.40x = 244,657,630,025.82
  5. Step 5: Solve for x
    x = 244,657,630,025.82/569,723.40
  6. Step 6: Final answer
    x = 429,432.30

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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.