Home / 649,822.29-896,694.58-359,427.60

Finding the Fourth Proportional to 649,822.29, 896,694.58 and 359,427.60

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Solution

The fourth proportional to 649,822.29, 896,694.58 and 359,427.60 is: 495,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,822.29 : 896,694.58 = 359,427.60 : x
  2. Step 2: Convert to fraction form
    649,822.29/896,694.58 = 359,427.60/x
  3. Step 3: Cross multiply
    649,822.29x = 896,694.58 × 359,427.60
  4. Step 4: Simplify right side
    649,822.29x = 322,296,779,025.27
  5. Step 5: Solve for x
    x = 322,296,779,025.27/649,822.29
  6. Step 6: Final answer
    x = 495,976.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.