Home / 743,151.24-1,025,547.81-403,617.06

Finding the Fourth Proportional to 743,151.24, 1,025,547.81 and 403,617.06

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Solution

The fourth proportional to 743,151.24, 1,025,547.81 and 403,617.06 is: 556,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,151.24 : 1,025,547.81 = 403,617.06 : x
  2. Step 2: Convert to fraction form
    743,151.24/1,025,547.81 = 403,617.06/x
  3. Step 3: Cross multiply
    743,151.24x = 1,025,547.81 × 403,617.06
  4. Step 4: Simplify right side
    743,151.24x = 413,928,591,961.64
  5. Step 5: Solve for x
    x = 413,928,591,961.64/743,151.24
  6. Step 6: Final answer
    x = 556,991.05

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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.