Home / 859,104.27-1,185,525.51-515,130.06

Finding the Fourth Proportional to 859,104.27, 1,185,525.51 and 515,130.06

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Solution

The fourth proportional to 859,104.27, 1,185,525.51 and 515,130.06 is: 710,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,104.27 : 1,185,525.51 = 515,130.06 : x
  2. Step 2: Convert to fraction form
    859,104.27/1,185,525.51 = 515,130.06/x
  3. Step 3: Cross multiply
    859,104.27x = 1,185,525.51 × 515,130.06
  4. Step 4: Simplify right side
    859,104.27x = 610,699,827,097.83
  5. Step 5: Solve for x
    x = 610,699,827,097.83/859,104.27
  6. Step 6: Final answer
    x = 710,856.47

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Double scale
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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.