Home / 686,700.18-1,030,005.15-237,316.50

Finding the Fourth Proportional to 686,700.18, 1,030,005.15 and 237,316.50

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Solution

The fourth proportional to 686,700.18, 1,030,005.15 and 237,316.50 is: 355,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,700.18 : 1,030,005.15 = 237,316.50 : x
  2. Step 2: Convert to fraction form
    686,700.18/1,030,005.15 = 237,316.50/x
  3. Step 3: Cross multiply
    686,700.18x = 1,030,005.15 × 237,316.50
  4. Step 4: Simplify right side
    686,700.18x = 244,437,217,179.98
  5. Step 5: Solve for x
    x = 244,437,217,179.98/686,700.18
  6. Step 6: Final answer
    x = 355,959.16

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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.