Home / 828,030.13-1,142,482.05-483,670.58

Finding the Fourth Proportional to 828,030.13, 1,142,482.05 and 483,670.58

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Solution

The fourth proportional to 828,030.13, 1,142,482.05 and 483,670.58 is: 667,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,030.13 : 1,142,482.05 = 483,670.58 : x
  2. Step 2: Convert to fraction form
    828,030.13/1,142,482.05 = 483,670.58/x
  3. Step 3: Cross multiply
    828,030.13x = 1,142,482.05 × 483,670.58
  4. Step 4: Simplify right side
    828,030.13x = 552,584,950,050.68
  5. Step 5: Solve for x
    x = 552,584,950,050.68/828,030.13
  6. Step 6: Final answer
    x = 667,348.85

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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.