Home / 1,031,219.95-1,423,062.13-572,307.88

Finding the Fourth Proportional to 1,031,219.95, 1,423,062.13 and 572,307.88

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Solution

The fourth proportional to 1,031,219.95, 1,423,062.13 and 572,307.88 is: 789,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,219.95 : 1,423,062.13 = 572,307.88 : x
  2. Step 2: Convert to fraction form
    1,031,219.95/1,423,062.13 = 572,307.88/x
  3. Step 3: Cross multiply
    1,031,219.95x = 1,423,062.13 × 572,307.88
  4. Step 4: Simplify right side
    1,031,219.95x = 814,429,670,728.58
  5. Step 5: Solve for x
    x = 814,429,670,728.58/1,031,219.95
  6. Step 6: Final answer
    x = 789,773.00

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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.