Home / 778,826.34-1,074,878.91-452,069.51

Finding the Fourth Proportional to 778,826.34, 1,074,878.91 and 452,069.51

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Solution

The fourth proportional to 778,826.34, 1,074,878.91 and 452,069.51 is: 623,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,826.34 : 1,074,878.91 = 452,069.51 : x
  2. Step 2: Convert to fraction form
    778,826.34/1,074,878.91 = 452,069.51/x
  3. Step 3: Cross multiply
    778,826.34x = 1,074,878.91 × 452,069.51
  4. Step 4: Simplify right side
    778,826.34x = 485,919,976,778.64
  5. Step 5: Solve for x
    x = 485,919,976,778.64/778,826.34
  6. Step 6: Final answer
    x = 623,913.13

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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.