Home / 1,293,066.11-1,784,303.47-720,159.59

Finding the Fourth Proportional to 1,293,066.11, 1,784,303.47 and 720,159.59

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Solution

The fourth proportional to 1,293,066.11, 1,784,303.47 and 720,159.59 is: 993,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,066.11 : 1,784,303.47 = 720,159.59 : x
  2. Step 2: Convert to fraction form
    1,293,066.11/1,784,303.47 = 720,159.59/x
  3. Step 3: Cross multiply
    1,293,066.11x = 1,784,303.47 × 720,159.59
  4. Step 4: Simplify right side
    1,293,066.11x = 1,284,983,255,390.78
  5. Step 5: Solve for x
    x = 1,284,983,255,390.78/1,293,066.11
  6. Step 6: Final answer
    x = 993,749.08

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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.