Home / 814,839.54-1,223,459.14-455,714.00

Finding the Fourth Proportional to 814,839.54, 1,223,459.14 and 455,714.00

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Solution

The fourth proportional to 814,839.54, 1,223,459.14 and 455,714.00 is: 684,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,839.54 : 1,223,459.14 = 455,714.00 : x
  2. Step 2: Convert to fraction form
    814,839.54/1,223,459.14 = 455,714.00/x
  3. Step 3: Cross multiply
    814,839.54x = 1,223,459.14 × 455,714.00
  4. Step 4: Simplify right side
    814,839.54x = 557,547,460,445.32
  5. Step 5: Solve for x
    x = 557,547,460,445.32/814,839.54
  6. Step 6: Final answer
    x = 684,242.03

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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.