Home / 1,229,763.50-1,697,073.63-693,219.50

Finding the Fourth Proportional to 1,229,763.50, 1,697,073.63 and 693,219.50

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Solution

The fourth proportional to 1,229,763.50, 1,697,073.63 and 693,219.50 is: 956,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,763.50 : 1,697,073.63 = 693,219.50 : x
  2. Step 2: Convert to fraction form
    1,229,763.50/1,697,073.63 = 693,219.50/x
  3. Step 3: Cross multiply
    1,229,763.50x = 1,697,073.63 × 693,219.50
  4. Step 4: Simplify right side
    1,229,763.50x = 1,176,444,533,251.78
  5. Step 5: Solve for x
    x = 1,176,444,533,251.78/1,229,763.50
  6. Step 6: Final answer
    x = 956,642.91

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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.