Home / 769,710.80-1,154,566.20-237,184.40

Finding the Fourth Proportional to 769,710.80, 1,154,566.20 and 237,184.40

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Solution

The fourth proportional to 769,710.80, 1,154,566.20 and 237,184.40 is: 355,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,710.80 : 1,154,566.20 = 237,184.40 : x
  2. Step 2: Convert to fraction form
    769,710.80/1,154,566.20 = 237,184.40/x
  3. Step 3: Cross multiply
    769,710.80x = 1,154,566.20 × 237,184.40
  4. Step 4: Simplify right side
    769,710.80x = 273,845,091,407.28
  5. Step 5: Solve for x
    x = 273,845,091,407.28/769,710.80
  6. Step 6: Final answer
    x = 355,776.60

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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.