Home / 566,049.21-781,141.52-421,501.53

Finding the Fourth Proportional to 566,049.21, 781,141.52 and 421,501.53

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Solution

The fourth proportional to 566,049.21, 781,141.52 and 421,501.53 is: 581,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,049.21 : 781,141.52 = 421,501.53 : x
  2. Step 2: Convert to fraction form
    566,049.21/781,141.52 = 421,501.53/x
  3. Step 3: Cross multiply
    566,049.21x = 781,141.52 × 421,501.53
  4. Step 4: Simplify right side
    566,049.21x = 329,252,345,826.53
  5. Step 5: Solve for x
    x = 329,252,345,826.53/566,049.21
  6. Step 6: Final answer
    x = 581,667.35

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1.5x scale

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.