Home / 912,441.24-1,258,663.86-530,425.80

Finding the Fourth Proportional to 912,441.24, 1,258,663.86 and 530,425.80

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Solution

The fourth proportional to 912,441.24, 1,258,663.86 and 530,425.80 is: 731,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,441.24 : 1,258,663.86 = 530,425.80 : x
  2. Step 2: Convert to fraction form
    912,441.24/1,258,663.86 = 530,425.80/x
  3. Step 3: Cross multiply
    912,441.24x = 1,258,663.86 × 530,425.80
  4. Step 4: Simplify right side
    912,441.24x = 667,627,784,871.59
  5. Step 5: Solve for x
    x = 667,627,784,871.59/912,441.24
  6. Step 6: Final answer
    x = 731,694.00

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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.