Home / 1,061,169-1,590,752.88-528,186.17

Finding the Fourth Proportional to 1,061,169, 1,590,752.88 and 528,186.17

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Solution

The fourth proportional to 1,061,169, 1,590,752.88 and 528,186.17 is: 791,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,169 : 1,590,752.88 = 528,186.17 : x
  2. Step 2: Convert to fraction form
    1,061,169/1,590,752.88 = 528,186.17/x
  3. Step 3: Cross multiply
    1,061,169x = 1,590,752.88 × 528,186.17
  4. Step 4: Simplify right side
    1,061,169x = 840,213,663,149.91
  5. Step 5: Solve for x
    x = 840,213,663,149.91/1,061,169
  6. Step 6: Final answer
    x = 791,781.20

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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.