Home / 686,302.17-1,029,590.69-237,039.45

Finding the Fourth Proportional to 686,302.17, 1,029,590.69 and 237,039.45

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Solution

The fourth proportional to 686,302.17, 1,029,590.69 and 237,039.45 is: 355,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,302.17 : 1,029,590.69 = 237,039.45 : x
  2. Step 2: Convert to fraction form
    686,302.17/1,029,590.69 = 237,039.45/x
  3. Step 3: Cross multiply
    686,302.17x = 1,029,590.69 × 237,039.45
  4. Step 4: Simplify right side
    686,302.17x = 244,053,609,697.52
  5. Step 5: Solve for x
    x = 244,053,609,697.52/686,302.17
  6. Step 6: Final answer
    x = 355,606.64

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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.