Home / 526,110.40-789,165.60-358,148.80

Finding the Fourth Proportional to 526,110.40, 789,165.60 and 358,148.80

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Solution

The fourth proportional to 526,110.40, 789,165.60 and 358,148.80 is: 537,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,110.40 : 789,165.60 = 358,148.80 : x
  2. Step 2: Convert to fraction form
    526,110.40/789,165.60 = 358,148.80/x
  3. Step 3: Cross multiply
    526,110.40x = 789,165.60 × 358,148.80
  4. Step 4: Simplify right side
    526,110.40x = 282,638,712,641.28
  5. Step 5: Solve for x
    x = 282,638,712,641.28/526,110.40
  6. Step 6: Final answer
    x = 537,223.20

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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.