Home / 774,706.68-1,069,029.90-472,842.36

Finding the Fourth Proportional to 774,706.68, 1,069,029.90 and 472,842.36

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Solution

The fourth proportional to 774,706.68, 1,069,029.90 and 472,842.36 is: 652,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,706.68 : 1,069,029.90 = 472,842.36 : x
  2. Step 2: Convert to fraction form
    774,706.68/1,069,029.90 = 472,842.36/x
  3. Step 3: Cross multiply
    774,706.68x = 1,069,029.90 × 472,842.36
  4. Step 4: Simplify right side
    774,706.68x = 505,482,620,826.56
  5. Step 5: Solve for x
    x = 505,482,620,826.56/774,706.68
  6. Step 6: Final answer
    x = 652,482.59

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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.