Home / 901,044.36-1,243,717.92-519,325.20

Finding the Fourth Proportional to 901,044.36, 1,243,717.92 and 519,325.20

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Solution

The fourth proportional to 901,044.36, 1,243,717.92 and 519,325.20 is: 716,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,044.36 : 1,243,717.92 = 519,325.20 : x
  2. Step 2: Convert to fraction form
    901,044.36/1,243,717.92 = 519,325.20/x
  3. Step 3: Cross multiply
    901,044.36x = 1,243,717.92 × 519,325.20
  4. Step 4: Simplify right side
    901,044.36x = 645,894,057,547.58
  5. Step 5: Solve for x
    x = 645,894,057,547.58/901,044.36
  6. Step 6: Final answer
    x = 716,828.26

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1.5x scale

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.