Home / 566,273.28-781,457.29-311,624.47

Finding the Fourth Proportional to 566,273.28, 781,457.29 and 311,624.47

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Solution

The fourth proportional to 566,273.28, 781,457.29 and 311,624.47 is: 430,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,273.28 : 781,457.29 = 311,624.47 : x
  2. Step 2: Convert to fraction form
    566,273.28/781,457.29 = 311,624.47/x
  3. Step 3: Cross multiply
    566,273.28x = 781,457.29 × 311,624.47
  4. Step 4: Simplify right side
    566,273.28x = 243,521,213,823.89
  5. Step 5: Solve for x
    x = 243,521,213,823.89/566,273.28
  6. Step 6: Final answer
    x = 430,041.86

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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.