Home / 876,746.44-1,209,898.14-489,567.82

Finding the Fourth Proportional to 876,746.44, 1,209,898.14 and 489,567.82

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Solution

The fourth proportional to 876,746.44, 1,209,898.14 and 489,567.82 is: 675,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,746.44 : 1,209,898.14 = 489,567.82 : x
  2. Step 2: Convert to fraction form
    876,746.44/1,209,898.14 = 489,567.82/x
  3. Step 3: Cross multiply
    876,746.44x = 1,209,898.14 × 489,567.82
  4. Step 4: Simplify right side
    876,746.44x = 592,327,194,821.86
  5. Step 5: Solve for x
    x = 592,327,194,821.86/876,746.44
  6. Step 6: Final answer
    x = 675,596.92

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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.