Home / 805,164.02-1,207,943.75-400,547.14

Finding the Fourth Proportional to 805,164.02, 1,207,943.75 and 400,547.14

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Solution

The fourth proportional to 805,164.02, 1,207,943.75 and 400,547.14 is: 600,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,164.02 : 1,207,943.75 = 400,547.14 : x
  2. Step 2: Convert to fraction form
    805,164.02/1,207,943.75 = 400,547.14/x
  3. Step 3: Cross multiply
    805,164.02x = 1,207,943.75 × 400,547.14
  4. Step 4: Simplify right side
    805,164.02x = 483,838,414,343.38
  5. Step 5: Solve for x
    x = 483,838,414,343.38/805,164.02
  6. Step 6: Final answer
    x = 600,919.07

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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.