Home / 1,316,891.47-1,973,812.38-605,426.35

Finding the Fourth Proportional to 1,316,891.47, 1,973,812.38 and 605,426.35

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Solution

The fourth proportional to 1,316,891.47, 1,973,812.38 and 605,426.35 is: 907,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,891.47 : 1,973,812.38 = 605,426.35 : x
  2. Step 2: Convert to fraction form
    1,316,891.47/1,973,812.38 = 605,426.35/x
  3. Step 3: Cross multiply
    1,316,891.47x = 1,973,812.38 × 605,426.35
  4. Step 4: Simplify right side
    1,316,891.47x = 1,194,998,024,808.21
  5. Step 5: Solve for x
    x = 1,194,998,024,808.21/1,316,891.47
  6. Step 6: Final answer
    x = 907,438.50

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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.