Home / 810,154.08-1,214,090.22-619,877.76

Finding the Fourth Proportional to 810,154.08, 1,214,090.22 and 619,877.76

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Solution

The fourth proportional to 810,154.08, 1,214,090.22 and 619,877.76 is: 928,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,154.08 : 1,214,090.22 = 619,877.76 : x
  2. Step 2: Convert to fraction form
    810,154.08/1,214,090.22 = 619,877.76/x
  3. Step 3: Cross multiply
    810,154.08x = 1,214,090.22 × 619,877.76
  4. Step 4: Simplify right side
    810,154.08x = 752,587,526,011.51
  5. Step 5: Solve for x
    x = 752,587,526,011.51/810,154.08
  6. Step 6: Final answer
    x = 928,943.70

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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.