Home / 1,683,373.34-2,323,055.16-919,428.72

Finding the Fourth Proportional to 1,683,373.34, 2,323,055.16 and 919,428.72

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Solution

The fourth proportional to 1,683,373.34, 2,323,055.16 and 919,428.72 is: 1,268,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,373.34 : 2,323,055.16 = 919,428.72 : x
  2. Step 2: Convert to fraction form
    1,683,373.34/2,323,055.16 = 919,428.72/x
  3. Step 3: Cross multiply
    1,683,373.34x = 2,323,055.16 × 919,428.72
  4. Step 4: Simplify right side
    1,683,373.34x = 2,135,883,632,248.20
  5. Step 5: Solve for x
    x = 2,135,883,632,248.20/1,683,373.34
  6. Step 6: Final answer
    x = 1,268,811.61

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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.