Home / 688,269.18-950,156.82-430,289.46

Finding the Fourth Proportional to 688,269.18, 950,156.82 and 430,289.46

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Solution

The fourth proportional to 688,269.18, 950,156.82 and 430,289.46 is: 594,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,269.18 : 950,156.82 = 430,289.46 : x
  2. Step 2: Convert to fraction form
    688,269.18/950,156.82 = 430,289.46/x
  3. Step 3: Cross multiply
    688,269.18x = 950,156.82 × 430,289.46
  4. Step 4: Simplify right side
    688,269.18x = 408,842,464,993.12
  5. Step 5: Solve for x
    x = 408,842,464,993.12/688,269.18
  6. Step 6: Final answer
    x = 594,015.36

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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.