Home / 727,817.40-1,091,726.10-609,719.40

Finding the Fourth Proportional to 727,817.40, 1,091,726.10 and 609,719.40

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Solution

The fourth proportional to 727,817.40, 1,091,726.10 and 609,719.40 is: 914,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,817.40 : 1,091,726.10 = 609,719.40 : x
  2. Step 2: Convert to fraction form
    727,817.40/1,091,726.10 = 609,719.40/x
  3. Step 3: Cross multiply
    727,817.40x = 1,091,726.10 × 609,719.40
  4. Step 4: Simplify right side
    727,817.40x = 665,646,582,656.34
  5. Step 5: Solve for x
    x = 665,646,582,656.34/727,817.40
  6. Step 6: Final answer
    x = 914,579.10

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Double scale
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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.