Home / 1,974,465.15-2,961,697.73-478,557.15

Finding the Fourth Proportional to 1,974,465.15, 2,961,697.73 and 478,557.15

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Solution

The fourth proportional to 1,974,465.15, 2,961,697.73 and 478,557.15 is: 717,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,465.15 : 2,961,697.73 = 478,557.15 : x
  2. Step 2: Convert to fraction form
    1,974,465.15/2,961,697.73 = 478,557.15/x
  3. Step 3: Cross multiply
    1,974,465.15x = 2,961,697.73 × 478,557.15
  4. Step 4: Simplify right side
    1,974,465.15x = 1,417,341,622,437.48
  5. Step 5: Solve for x
    x = 1,417,341,622,437.48/1,974,465.15
  6. Step 6: Final answer
    x = 717,835.73

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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.