Home / 898,437.60-1,347,656.40-478,533.60

Finding the Fourth Proportional to 898,437.60, 1,347,656.40 and 478,533.60

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Solution

The fourth proportional to 898,437.60, 1,347,656.40 and 478,533.60 is: 717,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,437.60 : 1,347,656.40 = 478,533.60 : x
  2. Step 2: Convert to fraction form
    898,437.60/1,347,656.40 = 478,533.60/x
  3. Step 3: Cross multiply
    898,437.60x = 1,347,656.40 × 478,533.60
  4. Step 4: Simplify right side
    898,437.60x = 644,898,868,655.04
  5. Step 5: Solve for x
    x = 644,898,868,655.04/898,437.60
  6. Step 6: Final answer
    x = 717,800.40

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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.