Home / 435,927.59-653,903.65-120,384.49

Finding the Fourth Proportional to 435,927.59, 653,903.65 and 120,384.49

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Solution

The fourth proportional to 435,927.59, 653,903.65 and 120,384.49 is: 180,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,927.59 : 653,903.65 = 120,384.49 : x
  2. Step 2: Convert to fraction form
    435,927.59/653,903.65 = 120,384.49/x
  3. Step 3: Cross multiply
    435,927.59x = 653,903.65 × 120,384.49
  4. Step 4: Simplify right side
    435,927.59x = 78,719,857,930.81
  5. Step 5: Solve for x
    x = 78,719,857,930.81/435,927.59
  6. Step 6: Final answer
    x = 180,580.13

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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.