Home / 895,242.56-1,235,434.70-487,347.35

Finding the Fourth Proportional to 895,242.56, 1,235,434.70 and 487,347.35

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Solution

The fourth proportional to 895,242.56, 1,235,434.70 and 487,347.35 is: 672,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,242.56 : 1,235,434.70 = 487,347.35 : x
  2. Step 2: Convert to fraction form
    895,242.56/1,235,434.70 = 487,347.35/x
  3. Step 3: Cross multiply
    895,242.56x = 1,235,434.70 × 487,347.35
  4. Step 4: Simplify right side
    895,242.56x = 602,085,827,143.05
  5. Step 5: Solve for x
    x = 602,085,827,143.05/895,242.56
  6. Step 6: Final answer
    x = 672,539.33

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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.