Home / 868,821.60-1,303,232.40-569,445.60

Finding the Fourth Proportional to 868,821.60, 1,303,232.40 and 569,445.60

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Solution

The fourth proportional to 868,821.60, 1,303,232.40 and 569,445.60 is: 854,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,821.60 : 1,303,232.40 = 569,445.60 : x
  2. Step 2: Convert to fraction form
    868,821.60/1,303,232.40 = 569,445.60/x
  3. Step 3: Cross multiply
    868,821.60x = 1,303,232.40 × 569,445.60
  4. Step 4: Simplify right side
    868,821.60x = 742,119,955,957.44
  5. Step 5: Solve for x
    x = 742,119,955,957.44/868,821.60
  6. Step 6: Final answer
    x = 854,168.40

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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.