Home / 985,295.64-1,359,592.47-555,550.14

Finding the Fourth Proportional to 985,295.64, 1,359,592.47 and 555,550.14

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Solution

The fourth proportional to 985,295.64, 1,359,592.47 and 555,550.14 is: 766,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,295.64 : 1,359,592.47 = 555,550.14 : x
  2. Step 2: Convert to fraction form
    985,295.64/1,359,592.47 = 555,550.14/x
  3. Step 3: Cross multiply
    985,295.64x = 1,359,592.47 × 555,550.14
  4. Step 4: Simplify right side
    985,295.64x = 755,321,787,051.45
  5. Step 5: Solve for x
    x = 755,321,787,051.45/985,295.64
  6. Step 6: Final answer
    x = 766,594.06

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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.