Home / 386,483.40-579,725.10-176,531.40

Finding the Fourth Proportional to 386,483.40, 579,725.10 and 176,531.40

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Solution

The fourth proportional to 386,483.40, 579,725.10 and 176,531.40 is: 264,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,483.40 : 579,725.10 = 176,531.40 : x
  2. Step 2: Convert to fraction form
    386,483.40/579,725.10 = 176,531.40/x
  3. Step 3: Cross multiply
    386,483.40x = 579,725.10 × 176,531.40
  4. Step 4: Simplify right side
    386,483.40x = 102,339,683,518.14
  5. Step 5: Solve for x
    x = 102,339,683,518.14/386,483.40
  6. Step 6: Final answer
    x = 264,797.10

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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.