Home / 985,301.64-1,359,600.72-555,556.14

Finding the Fourth Proportional to 985,301.64, 1,359,600.72 and 555,556.14

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Solution

The fourth proportional to 985,301.64, 1,359,600.72 and 555,556.14 is: 766,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,301.64 : 1,359,600.72 = 555,556.14 : x
  2. Step 2: Convert to fraction form
    985,301.64/1,359,600.72 = 555,556.14/x
  3. Step 3: Cross multiply
    985,301.64x = 1,359,600.72 × 555,556.14
  4. Step 4: Simplify right side
    985,301.64x = 755,334,527,944.42
  5. Step 5: Solve for x
    x = 755,334,527,944.42/985,301.64
  6. Step 6: Final answer
    x = 766,602.32

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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.