Home / 434,473.40-651,710.10-153,954.20

Finding the Fourth Proportional to 434,473.40, 651,710.10 and 153,954.20

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Solution

The fourth proportional to 434,473.40, 651,710.10 and 153,954.20 is: 230,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,473.40 : 651,710.10 = 153,954.20 : x
  2. Step 2: Convert to fraction form
    434,473.40/651,710.10 = 153,954.20/x
  3. Step 3: Cross multiply
    434,473.40x = 651,710.10 × 153,954.20
  4. Step 4: Simplify right side
    434,473.40x = 100,333,507,077.42
  5. Step 5: Solve for x
    x = 100,333,507,077.42/434,473.40
  6. Step 6: Final answer
    x = 230,931.30

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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.