Home / 826,359.48-1,140,487.36-463,803.17

Finding the Fourth Proportional to 826,359.48, 1,140,487.36 and 463,803.17

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Solution

The fourth proportional to 826,359.48, 1,140,487.36 and 463,803.17 is: 640,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,359.48 : 1,140,487.36 = 463,803.17 : x
  2. Step 2: Convert to fraction form
    826,359.48/1,140,487.36 = 463,803.17/x
  3. Step 3: Cross multiply
    826,359.48x = 1,140,487.36 × 463,803.17
  4. Step 4: Simplify right side
    826,359.48x = 528,961,652,912.93
  5. Step 5: Solve for x
    x = 528,961,652,912.93/826,359.48
  6. Step 6: Final answer
    x = 640,110.83

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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.