Home / 916,339.96-1,373,957.52-410,809.51

Finding the Fourth Proportional to 916,339.96, 1,373,957.52 and 410,809.51

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Solution

The fourth proportional to 916,339.96, 1,373,957.52 and 410,809.51 is: 615,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,339.96 : 1,373,957.52 = 410,809.51 : x
  2. Step 2: Convert to fraction form
    916,339.96/1,373,957.52 = 410,809.51/x
  3. Step 3: Cross multiply
    916,339.96x = 1,373,957.52 × 410,809.51
  4. Step 4: Simplify right side
    916,339.96x = 564,434,815,552.02
  5. Step 5: Solve for x
    x = 564,434,815,552.02/916,339.96
  6. Step 6: Final answer
    x = 615,966.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.