Home / 774,242.65-1,068,418.76-430,100.89

Finding the Fourth Proportional to 774,242.65, 1,068,418.76 and 430,100.89

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Solution

The fourth proportional to 774,242.65, 1,068,418.76 and 430,100.89 is: 593,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,242.65 : 1,068,418.76 = 430,100.89 : x
  2. Step 2: Convert to fraction form
    774,242.65/1,068,418.76 = 430,100.89/x
  3. Step 3: Cross multiply
    774,242.65x = 1,068,418.76 × 430,100.89
  4. Step 4: Simplify right side
    774,242.65x = 459,527,854,747.15
  5. Step 5: Solve for x
    x = 459,527,854,747.15/774,242.65
  6. Step 6: Final answer
    x = 593,519.17

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1.5x scale

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.