Home / 994,985.12-1,373,128.13-559,539.51

Finding the Fourth Proportional to 994,985.12, 1,373,128.13 and 559,539.51

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Solution

The fourth proportional to 994,985.12, 1,373,128.13 and 559,539.51 is: 772,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,985.12 : 1,373,128.13 = 559,539.51 : x
  2. Step 2: Convert to fraction form
    994,985.12/1,373,128.13 = 559,539.51/x
  3. Step 3: Cross multiply
    994,985.12x = 1,373,128.13 × 559,539.51
  4. Step 4: Simplify right side
    994,985.12x = 768,319,442,426.27
  5. Step 5: Solve for x
    x = 768,319,442,426.27/994,985.12
  6. Step 6: Final answer
    x = 772,191.90

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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.