Home / 566,066.09-781,176.28-307,948.66

Finding the Fourth Proportional to 566,066.09, 781,176.28 and 307,948.66

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Solution

The fourth proportional to 566,066.09, 781,176.28 and 307,948.66 is: 424,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,066.09 : 781,176.28 = 307,948.66 : x
  2. Step 2: Convert to fraction form
    566,066.09/781,176.28 = 307,948.66/x
  3. Step 3: Cross multiply
    566,066.09x = 781,176.28 × 307,948.66
  4. Step 4: Simplify right side
    566,066.09x = 240,562,188,649.79
  5. Step 5: Solve for x
    x = 240,562,188,649.79/566,066.09
  6. Step 6: Final answer
    x = 424,971.91

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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.