Home / 875,200.90-1,310,176.95-520,032.10

Finding the Fourth Proportional to 875,200.90, 1,310,176.95 and 520,032.10

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Solution

The fourth proportional to 875,200.90, 1,310,176.95 and 520,032.10 is: 778,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,200.90 : 1,310,176.95 = 520,032.10 : x
  2. Step 2: Convert to fraction form
    875,200.90/1,310,176.95 = 520,032.10/x
  3. Step 3: Cross multiply
    875,200.90x = 1,310,176.95 × 520,032.10
  4. Step 4: Simplify right side
    875,200.90x = 681,334,070,680.10
  5. Step 5: Solve for x
    x = 681,334,070,680.10/875,200.90
  6. Step 6: Final answer
    x = 778,488.77

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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.