Home / 928,279-1,281,025.02-525,871

Finding the Fourth Proportional to 928,279, 1,281,025.02 and 525,871

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Solution

The fourth proportional to 928,279, 1,281,025.02 and 525,871 is: 725,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,279 : 1,281,025.02 = 525,871 : x
  2. Step 2: Convert to fraction form
    928,279/1,281,025.02 = 525,871/x
  3. Step 3: Cross multiply
    928,279x = 1,281,025.02 × 525,871
  4. Step 4: Simplify right side
    928,279x = 673,653,908,292.42
  5. Step 5: Solve for x
    x = 673,653,908,292.42/928,279
  6. Step 6: Final answer
    x = 725,701.98

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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.