Home / 895,615.64-1,235,920.24-487,714.32

Finding the Fourth Proportional to 895,615.64, 1,235,920.24 and 487,714.32

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Solution

The fourth proportional to 895,615.64, 1,235,920.24 and 487,714.32 is: 673,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,615.64 : 1,235,920.24 = 487,714.32 : x
  2. Step 2: Convert to fraction form
    895,615.64/1,235,920.24 = 487,714.32/x
  3. Step 3: Cross multiply
    895,615.64x = 1,235,920.24 × 487,714.32
  4. Step 4: Simplify right side
    895,615.64x = 602,775,999,425.84
  5. Step 5: Solve for x
    x = 602,775,999,425.84/895,615.64
  6. Step 6: Final answer
    x = 673,029.78

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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.