Home / 1,371,723.35-1,893,475.10-1,116,631.67

Finding the Fourth Proportional to 1,371,723.35, 1,893,475.10 and 1,116,631.67

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Solution

The fourth proportional to 1,371,723.35, 1,893,475.10 and 1,116,631.67 is: 1,541,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,723.35 : 1,893,475.10 = 1,116,631.67 : x
  2. Step 2: Convert to fraction form
    1,371,723.35/1,893,475.10 = 1,116,631.67/x
  3. Step 3: Cross multiply
    1,371,723.35x = 1,893,475.10 × 1,116,631.67
  4. Step 4: Simplify right side
    1,371,723.35x = 2,114,314,256,340.62
  5. Step 5: Solve for x
    x = 2,114,314,256,340.62/1,371,723.35
  6. Step 6: Final answer
    x = 1,541,356.18

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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.