Home / 1,109,120.60-1,530,657.32-625,509.29

Finding the Fourth Proportional to 1,109,120.60, 1,530,657.32 and 625,509.29

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Solution

The fourth proportional to 1,109,120.60, 1,530,657.32 and 625,509.29 is: 863,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,120.60 : 1,530,657.32 = 625,509.29 : x
  2. Step 2: Convert to fraction form
    1,109,120.60/1,530,657.32 = 625,509.29/x
  3. Step 3: Cross multiply
    1,109,120.60x = 1,530,657.32 × 625,509.29
  4. Step 4: Simplify right side
    1,109,120.60x = 957,440,362,685.67
  5. Step 5: Solve for x
    x = 957,440,362,685.67/1,109,120.60
  6. Step 6: Final answer
    x = 863,242.80

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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.