Home / 926,637.18-1,278,749.54-518,742.37

Finding the Fourth Proportional to 926,637.18, 1,278,749.54 and 518,742.37

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Solution

The fourth proportional to 926,637.18, 1,278,749.54 and 518,742.37 is: 715,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,637.18 : 1,278,749.54 = 518,742.37 : x
  2. Step 2: Convert to fraction form
    926,637.18/1,278,749.54 = 518,742.37/x
  3. Step 3: Cross multiply
    926,637.18x = 1,278,749.54 × 518,742.37
  4. Step 4: Simplify right side
    926,637.18x = 663,341,567,016.01
  5. Step 5: Solve for x
    x = 663,341,567,016.01/926,637.18
  6. Step 6: Final answer
    x = 715,859.00

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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.