Home / 759,009.12-1,138,700.46-534,807.42

Finding the Fourth Proportional to 759,009.12, 1,138,700.46 and 534,807.42

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Solution

The fourth proportional to 759,009.12, 1,138,700.46 and 534,807.42 is: 802,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,009.12 : 1,138,700.46 = 534,807.42 : x
  2. Step 2: Convert to fraction form
    759,009.12/1,138,700.46 = 534,807.42/x
  3. Step 3: Cross multiply
    759,009.12x = 1,138,700.46 × 534,807.42
  4. Step 4: Simplify right side
    759,009.12x = 608,985,455,165.41
  5. Step 5: Solve for x
    x = 608,985,455,165.41/759,009.12
  6. Step 6: Final answer
    x = 802,342.74

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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.