Home / 855,920.60-1,182,400.79-683,612.35

Finding the Fourth Proportional to 855,920.60, 1,182,400.79 and 683,612.35

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Solution

The fourth proportional to 855,920.60, 1,182,400.79 and 683,612.35 is: 944,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,920.60 : 1,182,400.79 = 683,612.35 : x
  2. Step 2: Convert to fraction form
    855,920.60/1,182,400.79 = 683,612.35/x
  3. Step 3: Cross multiply
    855,920.60x = 1,182,400.79 × 683,612.35
  4. Step 4: Simplify right side
    855,920.60x = 808,303,782,693.76
  5. Step 5: Solve for x
    x = 808,303,782,693.76/855,920.60
  6. Step 6: Final answer
    x = 944,367.72

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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.