Home / 1,167,721.02-1,611,455.28-658,423.52

Finding the Fourth Proportional to 1,167,721.02, 1,611,455.28 and 658,423.52

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Solution

The fourth proportional to 1,167,721.02, 1,611,455.28 and 658,423.52 is: 908,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,721.02 : 1,611,455.28 = 658,423.52 : x
  2. Step 2: Convert to fraction form
    1,167,721.02/1,611,455.28 = 658,423.52/x
  3. Step 3: Cross multiply
    1,167,721.02x = 1,611,455.28 × 658,423.52
  4. Step 4: Simplify right side
    1,167,721.02x = 1,061,020,057,780.19
  5. Step 5: Solve for x
    x = 1,061,020,057,780.19/1,167,721.02
  6. Step 6: Final answer
    x = 908,624.61

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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.