Home / 888,069.19-1,225,528.34-515,566.68

Finding the Fourth Proportional to 888,069.19, 1,225,528.34 and 515,566.68

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Solution

The fourth proportional to 888,069.19, 1,225,528.34 and 515,566.68 is: 711,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,069.19 : 1,225,528.34 = 515,566.68 : x
  2. Step 2: Convert to fraction form
    888,069.19/1,225,528.34 = 515,566.68/x
  3. Step 3: Cross multiply
    888,069.19x = 1,225,528.34 × 515,566.68
  4. Step 4: Simplify right side
    888,069.19x = 631,841,574,921.88
  5. Step 5: Solve for x
    x = 631,841,574,921.88/888,069.19
  6. Step 6: Final answer
    x = 711,477.87

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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.