Home / 852,759.23-1,176,673.67-490,113.06

Finding the Fourth Proportional to 852,759.23, 1,176,673.67 and 490,113.06

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Solution

The fourth proportional to 852,759.23, 1,176,673.67 and 490,113.06 is: 676,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,759.23 : 1,176,673.67 = 490,113.06 : x
  2. Step 2: Convert to fraction form
    852,759.23/1,176,673.67 = 490,113.06/x
  3. Step 3: Cross multiply
    852,759.23x = 1,176,673.67 × 490,113.06
  4. Step 4: Simplify right side
    852,759.23x = 576,703,127,999.96
  5. Step 5: Solve for x
    x = 576,703,127,999.96/852,759.23
  6. Step 6: Final answer
    x = 676,278.97

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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.