Home / 895,243.03-1,235,431.88-487,367.53

Finding the Fourth Proportional to 895,243.03, 1,235,431.88 and 487,367.53

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Solution

The fourth proportional to 895,243.03, 1,235,431.88 and 487,367.53 is: 672,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,243.03 : 1,235,431.88 = 487,367.53 : x
  2. Step 2: Convert to fraction form
    895,243.03/1,235,431.88 = 487,367.53/x
  3. Step 3: Cross multiply
    895,243.03x = 1,235,431.88 × 487,367.53
  4. Step 4: Simplify right side
    895,243.03x = 602,109,378,313.44
  5. Step 5: Solve for x
    x = 602,109,378,313.44/895,243.03
  6. Step 6: Final answer
    x = 672,565.28

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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.