Home / 709,840.04-1,064,913.15-204,397.61

Finding the Fourth Proportional to 709,840.04, 1,064,913.15 and 204,397.61

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Solution

The fourth proportional to 709,840.04, 1,064,913.15 and 204,397.61 is: 306,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,840.04 : 1,064,913.15 = 204,397.61 : x
  2. Step 2: Convert to fraction form
    709,840.04/1,064,913.15 = 204,397.61/x
  3. Step 3: Cross multiply
    709,840.04x = 1,064,913.15 × 204,397.61
  4. Step 4: Simplify right side
    709,840.04x = 217,665,702,717.57
  5. Step 5: Solve for x
    x = 217,665,702,717.57/709,840.04
  6. Step 6: Final answer
    x = 306,640.50

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1.5x scale

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.