Home / 760,913.61-1,141,101.17-221,057.57

Finding the Fourth Proportional to 760,913.61, 1,141,101.17 and 221,057.57

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Solution

The fourth proportional to 760,913.61, 1,141,101.17 and 221,057.57 is: 331,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,913.61 : 1,141,101.17 = 221,057.57 : x
  2. Step 2: Convert to fraction form
    760,913.61/1,141,101.17 = 221,057.57/x
  3. Step 3: Cross multiply
    760,913.61x = 1,141,101.17 × 221,057.57
  4. Step 4: Simplify right side
    760,913.61x = 252,249,044,953.56
  5. Step 5: Solve for x
    x = 252,249,044,953.56/760,913.61
  6. Step 6: Final answer
    x = 331,508.13

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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.