Home / 759,018.30-1,138,714.30-534,816.57

Finding the Fourth Proportional to 759,018.30, 1,138,714.30 and 534,816.57

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Solution

The fourth proportional to 759,018.30, 1,138,714.30 and 534,816.57 is: 802,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,018.30 : 1,138,714.30 = 534,816.57 : x
  2. Step 2: Convert to fraction form
    759,018.30/1,138,714.30 = 534,816.57/x
  3. Step 3: Cross multiply
    759,018.30x = 1,138,714.30 × 534,816.57
  4. Step 4: Simplify right side
    759,018.30x = 609,003,281,074.65
  5. Step 5: Solve for x
    x = 609,003,281,074.65/759,018.30
  6. Step 6: Final answer
    x = 802,356.52

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Double scale
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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.