Home / 1,207,051.60-1,810,577.40-459,000.40

Finding the Fourth Proportional to 1,207,051.60, 1,810,577.40 and 459,000.40

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Solution

The fourth proportional to 1,207,051.60, 1,810,577.40 and 459,000.40 is: 688,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,051.60 : 1,810,577.40 = 459,000.40 : x
  2. Step 2: Convert to fraction form
    1,207,051.60/1,810,577.40 = 459,000.40/x
  3. Step 3: Cross multiply
    1,207,051.60x = 1,810,577.40 × 459,000.40
  4. Step 4: Simplify right side
    1,207,051.60x = 831,055,750,830.96
  5. Step 5: Solve for x
    x = 831,055,750,830.96/1,207,051.60
  6. Step 6: Final answer
    x = 688,500.60

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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.