Home / 712,401.60-1,068,602.40-701,342.40

Finding the Fourth Proportional to 712,401.60, 1,068,602.40 and 701,342.40

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Solution

The fourth proportional to 712,401.60, 1,068,602.40 and 701,342.40 is: 1,052,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,401.60 : 1,068,602.40 = 701,342.40 : x
  2. Step 2: Convert to fraction form
    712,401.60/1,068,602.40 = 701,342.40/x
  3. Step 3: Cross multiply
    712,401.60x = 1,068,602.40 × 701,342.40
  4. Step 4: Simplify right side
    712,401.60x = 749,456,171,861.76
  5. Step 5: Solve for x
    x = 749,456,171,861.76/712,401.60
  6. Step 6: Final answer
    x = 1,052,013.60

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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.