Home / 558,768.48-771,077.61-317,045.85

Finding the Fourth Proportional to 558,768.48, 771,077.61 and 317,045.85

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Solution

The fourth proportional to 558,768.48, 771,077.61 and 317,045.85 is: 437,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,768.48 : 771,077.61 = 317,045.85 : x
  2. Step 2: Convert to fraction form
    558,768.48/771,077.61 = 317,045.85/x
  3. Step 3: Cross multiply
    558,768.48x = 771,077.61 × 317,045.85
  4. Step 4: Simplify right side
    558,768.48x = 244,466,956,278.42
  5. Step 5: Solve for x
    x = 244,466,956,278.42/558,768.48
  6. Step 6: Final answer
    x = 437,510.28

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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.