Home / 1,274,543.12-1,758,869.40-693,768.52

Finding the Fourth Proportional to 1,274,543.12, 1,758,869.40 and 693,768.52

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Solution

The fourth proportional to 1,274,543.12, 1,758,869.40 and 693,768.52 is: 957,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,543.12 : 1,758,869.40 = 693,768.52 : x
  2. Step 2: Convert to fraction form
    1,274,543.12/1,758,869.40 = 693,768.52/x
  3. Step 3: Cross multiply
    1,274,543.12x = 1,758,869.40 × 693,768.52
  4. Step 4: Simplify right side
    1,274,543.12x = 1,220,248,220,511.29
  5. Step 5: Solve for x
    x = 1,220,248,220,511.29/1,274,543.12
  6. Step 6: Final answer
    x = 957,400.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.