Home / 882,566.16-1,217,902.82-490,074.76

Finding the Fourth Proportional to 882,566.16, 1,217,902.82 and 490,074.76

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Solution

The fourth proportional to 882,566.16, 1,217,902.82 and 490,074.76 is: 676,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,566.16 : 1,217,902.82 = 490,074.76 : x
  2. Step 2: Convert to fraction form
    882,566.16/1,217,902.82 = 490,074.76/x
  3. Step 3: Cross multiply
    882,566.16x = 1,217,902.82 × 490,074.76
  4. Step 4: Simplify right side
    882,566.16x = 596,863,432,214.82
  5. Step 5: Solve for x
    x = 596,863,432,214.82/882,566.16
  6. Step 6: Final answer
    x = 676,281.80

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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.