Home / 583,868.13-805,432.07-507,215.14

Finding the Fourth Proportional to 583,868.13, 805,432.07 and 507,215.14

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Solution

The fourth proportional to 583,868.13, 805,432.07 and 507,215.14 is: 699,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,868.13 : 805,432.07 = 507,215.14 : x
  2. Step 2: Convert to fraction form
    583,868.13/805,432.07 = 507,215.14/x
  3. Step 3: Cross multiply
    583,868.13x = 805,432.07 × 507,215.14
  4. Step 4: Simplify right side
    583,868.13x = 408,527,340,145.54
  5. Step 5: Solve for x
    x = 408,527,340,145.54/583,868.13
  6. Step 6: Final answer
    x = 699,691.11

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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.