Home / 935,361.17-1,290,800.31-505,641.29

Finding the Fourth Proportional to 935,361.17, 1,290,800.31 and 505,641.29

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Solution

The fourth proportional to 935,361.17, 1,290,800.31 and 505,641.29 is: 697,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,361.17 : 1,290,800.31 = 505,641.29 : x
  2. Step 2: Convert to fraction form
    935,361.17/1,290,800.31 = 505,641.29/x
  3. Step 3: Cross multiply
    935,361.17x = 1,290,800.31 × 505,641.29
  4. Step 4: Simplify right side
    935,361.17x = 652,681,925,530.64
  5. Step 5: Solve for x
    x = 652,681,925,530.64/935,361.17
  6. Step 6: Final answer
    x = 697,786.00

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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.