Home / 495,947.34-684,414.82-278,204.28

Finding the Fourth Proportional to 495,947.34, 684,414.82 and 278,204.28

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Solution

The fourth proportional to 495,947.34, 684,414.82 and 278,204.28 is: 383,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,947.34 : 684,414.82 = 278,204.28 : x
  2. Step 2: Convert to fraction form
    495,947.34/684,414.82 = 278,204.28/x
  3. Step 3: Cross multiply
    495,947.34x = 684,414.82 × 278,204.28
  4. Step 4: Simplify right side
    495,947.34x = 190,407,130,000.63
  5. Step 5: Solve for x
    x = 190,407,130,000.63/495,947.34
  6. Step 6: Final answer
    x = 383,926.10

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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.