Home / 778,081.43-1,073,730.98-433,927.82

Finding the Fourth Proportional to 778,081.43, 1,073,730.98 and 433,927.82

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Solution

The fourth proportional to 778,081.43, 1,073,730.98 and 433,927.82 is: 598,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,081.43 : 1,073,730.98 = 433,927.82 : x
  2. Step 2: Convert to fraction form
    778,081.43/1,073,730.98 = 433,927.82/x
  3. Step 3: Cross multiply
    778,081.43x = 1,073,730.98 × 433,927.82
  4. Step 4: Simplify right side
    778,081.43x = 465,921,735,879.57
  5. Step 5: Solve for x
    x = 465,921,735,879.57/778,081.43
  6. Step 6: Final answer
    x = 598,808.45

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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.