Home / 1,024,780.12-1,411,066.02-928,661.56

Finding the Fourth Proportional to 1,024,780.12, 1,411,066.02 and 928,661.56

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Solution

The fourth proportional to 1,024,780.12, 1,411,066.02 and 928,661.56 is: 1,278,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,780.12 : 1,411,066.02 = 928,661.56 : x
  2. Step 2: Convert to fraction form
    1,024,780.12/1,411,066.02 = 928,661.56/x
  3. Step 3: Cross multiply
    1,024,780.12x = 1,411,066.02 × 928,661.56
  4. Step 4: Simplify right side
    1,024,780.12x = 1,310,402,771,396.19
  5. Step 5: Solve for x
    x = 1,310,402,771,396.19/1,024,780.12
  6. Step 6: Final answer
    x = 1,278,716.03

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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.