Home / 895,089.12-1,235,184.76-487,191.48

Finding the Fourth Proportional to 895,089.12, 1,235,184.76 and 487,191.48

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Solution

The fourth proportional to 895,089.12, 1,235,184.76 and 487,191.48 is: 672,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,089.12 : 1,235,184.76 = 487,191.48 : x
  2. Step 2: Convert to fraction form
    895,089.12/1,235,184.76 = 487,191.48/x
  3. Step 3: Cross multiply
    895,089.12x = 1,235,184.76 × 487,191.48
  4. Step 4: Simplify right side
    895,089.12x = 601,771,491,297.85
  5. Step 5: Solve for x
    x = 601,771,491,297.85/895,089.12
  6. Step 6: Final answer
    x = 672,303.44

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Double scale
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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.