Home / 875,135.73-1,312,690.57-533,679.49

Finding the Fourth Proportional to 875,135.73, 1,312,690.57 and 533,679.49

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Solution

The fourth proportional to 875,135.73, 1,312,690.57 and 533,679.49 is: 800,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,135.73 : 1,312,690.57 = 533,679.49 : x
  2. Step 2: Convert to fraction form
    875,135.73/1,312,690.57 = 533,679.49/x
  3. Step 3: Cross multiply
    875,135.73x = 1,312,690.57 × 533,679.49
  4. Step 4: Simplify right side
    875,135.73x = 700,556,033,925.41
  5. Step 5: Solve for x
    x = 700,556,033,925.41/875,135.73
  6. Step 6: Final answer
    x = 800,511.29

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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.