Home / 817,999.26-1,128,546.75-473,647.20

Finding the Fourth Proportional to 817,999.26, 1,128,546.75 and 473,647.20

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Solution

The fourth proportional to 817,999.26, 1,128,546.75 and 473,647.20 is: 653,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,999.26 : 1,128,546.75 = 473,647.20 : x
  2. Step 2: Convert to fraction form
    817,999.26/1,128,546.75 = 473,647.20/x
  3. Step 3: Cross multiply
    817,999.26x = 1,128,546.75 × 473,647.20
  4. Step 4: Simplify right side
    817,999.26x = 534,533,008,206.60
  5. Step 5: Solve for x
    x = 534,533,008,206.60/817,999.26
  6. Step 6: Final answer
    x = 653,463.93

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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.