Home / 1,125,475.35-1,688,243.13-367,362.87

Finding the Fourth Proportional to 1,125,475.35, 1,688,243.13 and 367,362.87

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Solution

The fourth proportional to 1,125,475.35, 1,688,243.13 and 367,362.87 is: 551,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,475.35 : 1,688,243.13 = 367,362.87 : x
  2. Step 2: Convert to fraction form
    1,125,475.35/1,688,243.13 = 367,362.87/x
  3. Step 3: Cross multiply
    1,125,475.35x = 1,688,243.13 × 367,362.87
  4. Step 4: Simplify right side
    1,125,475.35x = 620,197,841,494.58
  5. Step 5: Solve for x
    x = 620,197,841,494.58/1,125,475.35
  6. Step 6: Final answer
    x = 551,054.13

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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.