Home / 851,288.15-1,276,547.95-243,937.54

Finding the Fourth Proportional to 851,288.15, 1,276,547.95 and 243,937.54

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Solution

The fourth proportional to 851,288.15, 1,276,547.95 and 243,937.54 is: 365,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,288.15 : 1,276,547.95 = 243,937.54 : x
  2. Step 2: Convert to fraction form
    851,288.15/1,276,547.95 = 243,937.54/x
  3. Step 3: Cross multiply
    851,288.15x = 1,276,547.95 × 243,937.54
  4. Step 4: Simplify right side
    851,288.15x = 311,397,959,012.62
  5. Step 5: Solve for x
    x = 311,397,959,012.62/851,288.15
  6. Step 6: Final answer
    x = 365,796.19

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1.5x scale

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.