Home / 732,875.92-1,099,916.76-312,626.32

Finding the Fourth Proportional to 732,875.92, 1,099,916.76 and 312,626.32

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Solution

The fourth proportional to 732,875.92, 1,099,916.76 and 312,626.32 is: 469,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,875.92 : 1,099,916.76 = 312,626.32 : x
  2. Step 2: Convert to fraction form
    732,875.92/1,099,916.76 = 312,626.32/x
  3. Step 3: Cross multiply
    732,875.92x = 1,099,916.76 × 312,626.32
  4. Step 4: Simplify right side
    732,875.92x = 343,862,928,985.12
  5. Step 5: Solve for x
    x = 343,862,928,985.12/732,875.92
  6. Step 6: Final answer
    x = 469,196.65

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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.