Home / 935,136.80-1,402,705.20-304,114.40

Finding the Fourth Proportional to 935,136.80, 1,402,705.20 and 304,114.40

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Solution

The fourth proportional to 935,136.80, 1,402,705.20 and 304,114.40 is: 456,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,136.80 : 1,402,705.20 = 304,114.40 : x
  2. Step 2: Convert to fraction form
    935,136.80/1,402,705.20 = 304,114.40/x
  3. Step 3: Cross multiply
    935,136.80x = 1,402,705.20 × 304,114.40
  4. Step 4: Simplify right side
    935,136.80x = 426,582,850,274.88
  5. Step 5: Solve for x
    x = 426,582,850,274.88/935,136.80
  6. Step 6: Final answer
    x = 456,171.60

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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.