Home / 739,742.60-1,109,613.90-710,712.20

Finding the Fourth Proportional to 739,742.60, 1,109,613.90 and 710,712.20

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Solution

The fourth proportional to 739,742.60, 1,109,613.90 and 710,712.20 is: 1,066,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,742.60 : 1,109,613.90 = 710,712.20 : x
  2. Step 2: Convert to fraction form
    739,742.60/1,109,613.90 = 710,712.20/x
  3. Step 3: Cross multiply
    739,742.60x = 1,109,613.90 × 710,712.20
  4. Step 4: Simplify right side
    739,742.60x = 788,616,136,019.58
  5. Step 5: Solve for x
    x = 788,616,136,019.58/739,742.60
  6. Step 6: Final answer
    x = 1,066,068.30

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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.