Home / 475,510.32-656,271.36-294,280.61

Finding the Fourth Proportional to 475,510.32, 656,271.36 and 294,280.61

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Solution

The fourth proportional to 475,510.32, 656,271.36 and 294,280.61 is: 406,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,510.32 : 656,271.36 = 294,280.61 : x
  2. Step 2: Convert to fraction form
    475,510.32/656,271.36 = 294,280.61/x
  3. Step 3: Cross multiply
    475,510.32x = 656,271.36 × 294,280.61
  4. Step 4: Simplify right side
    475,510.32x = 193,127,932,864.97
  5. Step 5: Solve for x
    x = 193,127,932,864.97/475,510.32
  6. Step 6: Final answer
    x = 406,148.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.