Home / 907,716.60-1,361,574.90-509,585.40

Finding the Fourth Proportional to 907,716.60, 1,361,574.90 and 509,585.40

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Solution

The fourth proportional to 907,716.60, 1,361,574.90 and 509,585.40 is: 764,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,716.60 : 1,361,574.90 = 509,585.40 : x
  2. Step 2: Convert to fraction form
    907,716.60/1,361,574.90 = 509,585.40/x
  3. Step 3: Cross multiply
    907,716.60x = 1,361,574.90 × 509,585.40
  4. Step 4: Simplify right side
    907,716.60x = 693,838,690,046.46
  5. Step 5: Solve for x
    x = 693,838,690,046.46/907,716.60
  6. Step 6: Final answer
    x = 764,378.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.