Home / 530,122.88-731,871.24-349,360.04

Finding the Fourth Proportional to 530,122.88, 731,871.24 and 349,360.04

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Solution

The fourth proportional to 530,122.88, 731,871.24 and 349,360.04 is: 482,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,122.88 : 731,871.24 = 349,360.04 : x
  2. Step 2: Convert to fraction form
    530,122.88/731,871.24 = 349,360.04/x
  3. Step 3: Cross multiply
    530,122.88x = 731,871.24 × 349,360.04
  4. Step 4: Simplify right side
    530,122.88x = 255,686,565,681.25
  5. Step 5: Solve for x
    x = 255,686,565,681.25/530,122.88
  6. Step 6: Final answer
    x = 482,315.66

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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.