Home / 418,256.06-626,870.14-193,312.17

Finding the Fourth Proportional to 418,256.06, 626,870.14 and 193,312.17

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Solution

The fourth proportional to 418,256.06, 626,870.14 and 193,312.17 is: 289,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,256.06 : 626,870.14 = 193,312.17 : x
  2. Step 2: Convert to fraction form
    418,256.06/626,870.14 = 193,312.17/x
  3. Step 3: Cross multiply
    418,256.06x = 626,870.14 × 193,312.17
  4. Step 4: Simplify right side
    418,256.06x = 121,181,626,588.32
  5. Step 5: Solve for x
    x = 121,181,626,588.32/418,256.06
  6. Step 6: Final answer
    x = 289,730.72

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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.