Home / 702,913.60-1,054,370.40-514,907.20

Finding the Fourth Proportional to 702,913.60, 1,054,370.40 and 514,907.20

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Solution

The fourth proportional to 702,913.60, 1,054,370.40 and 514,907.20 is: 772,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,913.60 : 1,054,370.40 = 514,907.20 : x
  2. Step 2: Convert to fraction form
    702,913.60/1,054,370.40 = 514,907.20/x
  3. Step 3: Cross multiply
    702,913.60x = 1,054,370.40 × 514,907.20
  4. Step 4: Simplify right side
    702,913.60x = 542,902,910,426.88
  5. Step 5: Solve for x
    x = 542,902,910,426.88/702,913.60
  6. Step 6: Final answer
    x = 772,360.80

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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.