Home / 767,815.92-1,059,925.68-496,016.28

Finding the Fourth Proportional to 767,815.92, 1,059,925.68 and 496,016.28

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Solution

The fourth proportional to 767,815.92, 1,059,925.68 and 496,016.28 is: 684,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,815.92 : 1,059,925.68 = 496,016.28 : x
  2. Step 2: Convert to fraction form
    767,815.92/1,059,925.68 = 496,016.28/x
  3. Step 3: Cross multiply
    767,815.92x = 1,059,925.68 × 496,016.28
  4. Step 4: Simplify right side
    767,815.92x = 525,740,392,870.07
  5. Step 5: Solve for x
    x = 525,740,392,870.07/767,815.92
  6. Step 6: Final answer
    x = 684,721.92

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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.