Home / 528,045.70-791,874.15-173,071.30

Finding the Fourth Proportional to 528,045.70, 791,874.15 and 173,071.30

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Solution

The fourth proportional to 528,045.70, 791,874.15 and 173,071.30 is: 259,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,045.70 : 791,874.15 = 173,071.30 : x
  2. Step 2: Convert to fraction form
    528,045.70/791,874.15 = 173,071.30/x
  3. Step 3: Cross multiply
    528,045.70x = 791,874.15 × 173,071.30
  4. Step 4: Simplify right side
    528,045.70x = 137,050,688,576.90
  5. Step 5: Solve for x
    x = 137,050,688,576.90/528,045.70
  6. Step 6: Final answer
    x = 259,543.23

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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.