Home / 614,868.20-921,864.90-235,642.40

Finding the Fourth Proportional to 614,868.20, 921,864.90 and 235,642.40

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Solution

The fourth proportional to 614,868.20, 921,864.90 and 235,642.40 is: 353,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,868.20 : 921,864.90 = 235,642.40 : x
  2. Step 2: Convert to fraction form
    614,868.20/921,864.90 = 235,642.40/x
  3. Step 3: Cross multiply
    614,868.20x = 921,864.90 × 235,642.40
  4. Step 4: Simplify right side
    614,868.20x = 217,230,457,511.76
  5. Step 5: Solve for x
    x = 217,230,457,511.76/614,868.20
  6. Step 6: Final answer
    x = 353,295.97

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1.5x scale

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.