Home / 895,588.66-1,235,879.71-487,681.55

Finding the Fourth Proportional to 895,588.66, 1,235,879.71 and 487,681.55

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Solution

The fourth proportional to 895,588.66, 1,235,879.71 and 487,681.55 is: 672,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,588.66 : 1,235,879.71 = 487,681.55 : x
  2. Step 2: Convert to fraction form
    895,588.66/1,235,879.71 = 487,681.55/x
  3. Step 3: Cross multiply
    895,588.66x = 1,235,879.71 × 487,681.55
  4. Step 4: Simplify right side
    895,588.66x = 602,715,727,626.16
  5. Step 5: Solve for x
    x = 602,715,727,626.16/895,588.66
  6. Step 6: Final answer
    x = 672,982.76

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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.