Home / 1,241,315.80-1,861,973.70-442,623.40

Finding the Fourth Proportional to 1,241,315.80, 1,861,973.70 and 442,623.40

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Solution

The fourth proportional to 1,241,315.80, 1,861,973.70 and 442,623.40 is: 663,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,315.80 : 1,861,973.70 = 442,623.40 : x
  2. Step 2: Convert to fraction form
    1,241,315.80/1,861,973.70 = 442,623.40/x
  3. Step 3: Cross multiply
    1,241,315.80x = 1,861,973.70 × 442,623.40
  4. Step 4: Simplify right side
    1,241,315.80x = 824,153,129,804.58
  5. Step 5: Solve for x
    x = 824,153,129,804.58/1,241,315.80
  6. Step 6: Final answer
    x = 663,935.10

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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.