Home / 702,520.40-1,052,225.40-578,104.40

Finding the Fourth Proportional to 702,520.40, 1,052,225.40 and 578,104.40

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Solution

The fourth proportional to 702,520.40, 1,052,225.40 and 578,104.40 is: 865,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,520.40 : 1,052,225.40 = 578,104.40 : x
  2. Step 2: Convert to fraction form
    702,520.40/1,052,225.40 = 578,104.40/x
  3. Step 3: Cross multiply
    702,520.40x = 1,052,225.40 × 578,104.40
  4. Step 4: Simplify right side
    702,520.40x = 608,296,133,531.76
  5. Step 5: Solve for x
    x = 608,296,133,531.76/702,520.40
  6. Step 6: Final answer
    x = 865,876.83

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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.