Home / 722,856.11-997,547.34-400,571.59

Finding the Fourth Proportional to 722,856.11, 997,547.34 and 400,571.59

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Solution

The fourth proportional to 722,856.11, 997,547.34 and 400,571.59 is: 552,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,856.11 : 997,547.34 = 400,571.59 : x
  2. Step 2: Convert to fraction form
    722,856.11/997,547.34 = 400,571.59/x
  3. Step 3: Cross multiply
    722,856.11x = 997,547.34 × 400,571.59
  4. Step 4: Simplify right side
    722,856.11x = 399,589,117,093.48
  5. Step 5: Solve for x
    x = 399,589,117,093.48/722,856.11
  6. Step 6: Final answer
    x = 552,792.06

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Similar ratio
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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.