Home / 977,949.45-1,466,432.10-578,712.60

Finding the Fourth Proportional to 977,949.45, 1,466,432.10 and 578,712.60

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Solution

The fourth proportional to 977,949.45, 1,466,432.10 and 578,712.60 is: 867,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,949.45 : 1,466,432.10 = 578,712.60 : x
  2. Step 2: Convert to fraction form
    977,949.45/1,466,432.10 = 578,712.60/x
  3. Step 3: Cross multiply
    977,949.45x = 1,466,432.10 × 578,712.60
  4. Step 4: Simplify right side
    977,949.45x = 848,642,733,314.46
  5. Step 5: Solve for x
    x = 848,642,733,314.46/977,949.45
  6. Step 6: Final answer
    x = 867,777.71

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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.