Home / 804,969.40-1,207,454.10-385,065.40

Finding the Fourth Proportional to 804,969.40, 1,207,454.10 and 385,065.40

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Solution

The fourth proportional to 804,969.40, 1,207,454.10 and 385,065.40 is: 577,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,969.40 : 1,207,454.10 = 385,065.40 : x
  2. Step 2: Convert to fraction form
    804,969.40/1,207,454.10 = 385,065.40/x
  3. Step 3: Cross multiply
    804,969.40x = 1,207,454.10 × 385,065.40
  4. Step 4: Simplify right side
    804,969.40x = 464,948,795,998.14
  5. Step 5: Solve for x
    x = 464,948,795,998.14/804,969.40
  6. Step 6: Final answer
    x = 577,598.10

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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.