Home / 528,400.40-792,434.28-173,331.92

Finding the Fourth Proportional to 528,400.40, 792,434.28 and 173,331.92

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Solution

The fourth proportional to 528,400.40, 792,434.28 and 173,331.92 is: 259,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,400.40 : 792,434.28 = 173,331.92 : x
  2. Step 2: Convert to fraction form
    528,400.40/792,434.28 = 173,331.92/x
  3. Step 3: Cross multiply
    528,400.40x = 792,434.28 × 173,331.92
  4. Step 4: Simplify right side
    528,400.40x = 137,354,155,226.22
  5. Step 5: Solve for x
    x = 137,354,155,226.22/528,400.40
  6. Step 6: Final answer
    x = 259,943.32

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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.