Home / 692,953.47-1,039,498.13-288,061.95

Finding the Fourth Proportional to 692,953.47, 1,039,498.13 and 288,061.95

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Solution

The fourth proportional to 692,953.47, 1,039,498.13 and 288,061.95 is: 432,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,953.47 : 1,039,498.13 = 288,061.95 : x
  2. Step 2: Convert to fraction form
    692,953.47/1,039,498.13 = 288,061.95/x
  3. Step 3: Cross multiply
    692,953.47x = 1,039,498.13 × 288,061.95
  4. Step 4: Simplify right side
    692,953.47x = 299,439,856,908.84
  5. Step 5: Solve for x
    x = 299,439,856,908.84/692,953.47
  6. Step 6: Final answer
    x = 432,121.16

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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.