Home / 525,140.60-788,661.30-459,822.20

Finding the Fourth Proportional to 525,140.60, 788,661.30 and 459,822.20

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Solution

The fourth proportional to 525,140.60, 788,661.30 and 459,822.20 is: 690,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,140.60 : 788,661.30 = 459,822.20 : x
  2. Step 2: Convert to fraction form
    525,140.60/788,661.30 = 459,822.20/x
  3. Step 3: Cross multiply
    525,140.60x = 788,661.30 × 459,822.20
  4. Step 4: Simplify right side
    525,140.60x = 362,643,974,020.86
  5. Step 5: Solve for x
    x = 362,643,974,020.86/525,140.60
  6. Step 6: Final answer
    x = 690,565.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.