Home / 566,273.15-781,457.07-311,624.34

Finding the Fourth Proportional to 566,273.15, 781,457.07 and 311,624.34

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Solution

The fourth proportional to 566,273.15, 781,457.07 and 311,624.34 is: 430,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,273.15 : 781,457.07 = 311,624.34 : x
  2. Step 2: Convert to fraction form
    566,273.15/781,457.07 = 311,624.34/x
  3. Step 3: Cross multiply
    566,273.15x = 781,457.07 × 311,624.34
  4. Step 4: Simplify right side
    566,273.15x = 243,521,039,769.80
  5. Step 5: Solve for x
    x = 243,521,039,769.80/566,273.15
  6. Step 6: Final answer
    x = 430,041.65

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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.