Home / 454,541.36-626,817.65-385,818.48

Finding the Fourth Proportional to 454,541.36, 626,817.65 and 385,818.48

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Solution

The fourth proportional to 454,541.36, 626,817.65 and 385,818.48 is: 532,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,541.36 : 626,817.65 = 385,818.48 : x
  2. Step 2: Convert to fraction form
    454,541.36/626,817.65 = 385,818.48/x
  3. Step 3: Cross multiply
    454,541.36x = 626,817.65 × 385,818.48
  4. Step 4: Simplify right side
    454,541.36x = 241,837,831,031.08
  5. Step 5: Solve for x
    x = 241,837,831,031.08/454,541.36
  6. Step 6: Final answer
    x = 532,048.03

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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.