Home / 876,463.52-1,209,519.72-474,055.52

Finding the Fourth Proportional to 876,463.52, 1,209,519.72 and 474,055.52

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Solution

The fourth proportional to 876,463.52, 1,209,519.72 and 474,055.52 is: 654,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,463.52 : 1,209,519.72 = 474,055.52 : x
  2. Step 2: Convert to fraction form
    876,463.52/1,209,519.72 = 474,055.52/x
  3. Step 3: Cross multiply
    876,463.52x = 1,209,519.72 × 474,055.52
  4. Step 4: Simplify right side
    876,463.52x = 573,379,499,814.85
  5. Step 5: Solve for x
    x = 573,379,499,814.85/876,463.52
  6. Step 6: Final answer
    x = 654,196.65

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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.