Home / 916,339.46-1,373,956.77-410,809.01

Finding the Fourth Proportional to 916,339.46, 1,373,956.77 and 410,809.01

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Solution

The fourth proportional to 916,339.46, 1,373,956.77 and 410,809.01 is: 615,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,339.46 : 1,373,956.77 = 410,809.01 : x
  2. Step 2: Convert to fraction form
    916,339.46/1,373,956.77 = 410,809.01/x
  3. Step 3: Cross multiply
    916,339.46x = 1,373,956.77 × 410,809.01
  4. Step 4: Simplify right side
    916,339.46x = 564,433,820,466.50
  5. Step 5: Solve for x
    x = 564,433,820,466.50/916,339.46
  6. Step 6: Final answer
    x = 615,965.86

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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.