Home / 559,724.40-839,586.60-556,225.20

Finding the Fourth Proportional to 559,724.40, 839,586.60 and 556,225.20

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Solution

The fourth proportional to 559,724.40, 839,586.60 and 556,225.20 is: 834,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,724.40 : 839,586.60 = 556,225.20 : x
  2. Step 2: Convert to fraction form
    559,724.40/839,586.60 = 556,225.20/x
  3. Step 3: Cross multiply
    559,724.40x = 839,586.60 × 556,225.20
  4. Step 4: Simplify right side
    559,724.40x = 466,999,224,502.32
  5. Step 5: Solve for x
    x = 466,999,224,502.32/559,724.40
  6. Step 6: Final answer
    x = 834,337.80

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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.