Home / 747,303.81-1,121,133.57-241,864.79

Finding the Fourth Proportional to 747,303.81, 1,121,133.57 and 241,864.79

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Solution

The fourth proportional to 747,303.81, 1,121,133.57 and 241,864.79 is: 362,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,303.81 : 1,121,133.57 = 241,864.79 : x
  2. Step 2: Convert to fraction form
    747,303.81/1,121,133.57 = 241,864.79/x
  3. Step 3: Cross multiply
    747,303.81x = 1,121,133.57 × 241,864.79
  4. Step 4: Simplify right side
    747,303.81x = 271,162,728,957.34
  5. Step 5: Solve for x
    x = 271,162,728,957.34/747,303.81
  6. Step 6: Final answer
    x = 362,854.74

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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.