Home / 907,510.20-1,362,249.45-570,930.90

Finding the Fourth Proportional to 907,510.20, 1,362,249.45 and 570,930.90

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Solution

The fourth proportional to 907,510.20, 1,362,249.45 and 570,930.90 is: 857,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,510.20 : 1,362,249.45 = 570,930.90 : x
  2. Step 2: Convert to fraction form
    907,510.20/1,362,249.45 = 570,930.90/x
  3. Step 3: Cross multiply
    907,510.20x = 1,362,249.45 × 570,930.90
  4. Step 4: Simplify right side
    907,510.20x = 777,750,304,513.01
  5. Step 5: Solve for x
    x = 777,750,304,513.01/907,510.20
  6. Step 6: Final answer
    x = 857,015.50

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1.5x scale

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.