Home / 912,266.88-1,259,128.10-530,513.88

Finding the Fourth Proportional to 912,266.88, 1,259,128.10 and 530,513.88

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Solution

The fourth proportional to 912,266.88, 1,259,128.10 and 530,513.88 is: 732,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,266.88 : 1,259,128.10 = 530,513.88 : x
  2. Step 2: Convert to fraction form
    912,266.88/1,259,128.10 = 530,513.88/x
  3. Step 3: Cross multiply
    912,266.88x = 1,259,128.10 × 530,513.88
  4. Step 4: Simplify right side
    912,266.88x = 667,984,933,748.03
  5. Step 5: Solve for x
    x = 667,984,933,748.03/912,266.88
  6. Step 6: Final answer
    x = 732,225.35

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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.