Home / 528,420.22-792,718.35-173,338.90

Finding the Fourth Proportional to 528,420.22, 792,718.35 and 173,338.90

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Solution

The fourth proportional to 528,420.22, 792,718.35 and 173,338.90 is: 260,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,420.22 : 792,718.35 = 173,338.90 : x
  2. Step 2: Convert to fraction form
    528,420.22/792,718.35 = 173,338.90/x
  3. Step 3: Cross multiply
    528,420.22x = 792,718.35 × 173,338.90
  4. Step 4: Simplify right side
    528,420.22x = 137,408,926,798.82
  5. Step 5: Solve for x
    x = 137,408,926,798.82/528,420.22
  6. Step 6: Final answer
    x = 260,037.22

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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.