Home / 681,044.40-1,020,011.40-401,108.40

Finding the Fourth Proportional to 681,044.40, 1,020,011.40 and 401,108.40

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Solution

The fourth proportional to 681,044.40, 1,020,011.40 and 401,108.40 is: 600,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,044.40 : 1,020,011.40 = 401,108.40 : x
  2. Step 2: Convert to fraction form
    681,044.40/1,020,011.40 = 401,108.40/x
  3. Step 3: Cross multiply
    681,044.40x = 1,020,011.40 × 401,108.40
  4. Step 4: Simplify right side
    681,044.40x = 409,135,140,635.76
  5. Step 5: Solve for x
    x = 409,135,140,635.76/681,044.40
  6. Step 6: Final answer
    x = 600,746.65

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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.