Home / 1,223,832.90-1,687,527.90-836,711.40

Finding the Fourth Proportional to 1,223,832.90, 1,687,527.90 and 836,711.40

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Solution

The fourth proportional to 1,223,832.90, 1,687,527.90 and 836,711.40 is: 1,153,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,832.90 : 1,687,527.90 = 836,711.40 : x
  2. Step 2: Convert to fraction form
    1,223,832.90/1,687,527.90 = 836,711.40/x
  3. Step 3: Cross multiply
    1,223,832.90x = 1,687,527.90 × 836,711.40
  4. Step 4: Simplify right side
    1,223,832.90x = 1,411,973,831,748.06
  5. Step 5: Solve for x
    x = 1,411,973,831,748.06/1,223,832.90
  6. Step 6: Final answer
    x = 1,153,730.90

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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.