Home / 877,772.04-1,315,888.94-422,134.88

Finding the Fourth Proportional to 877,772.04, 1,315,888.94 and 422,134.88

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Solution

The fourth proportional to 877,772.04, 1,315,888.94 and 422,134.88 is: 632,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,772.04 : 1,315,888.94 = 422,134.88 : x
  2. Step 2: Convert to fraction form
    877,772.04/1,315,888.94 = 422,134.88/x
  3. Step 3: Cross multiply
    877,772.04x = 1,315,888.94 × 422,134.88
  4. Step 4: Simplify right side
    877,772.04x = 555,482,619,780.23
  5. Step 5: Solve for x
    x = 555,482,619,780.23/877,772.04
  6. Step 6: Final answer
    x = 632,832.44

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1.5x scale

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.