Home / 1,402,756.80-1,935,842.40-858,882.24

Finding the Fourth Proportional to 1,402,756.80, 1,935,842.40 and 858,882.24

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Solution

The fourth proportional to 1,402,756.80, 1,935,842.40 and 858,882.24 is: 1,185,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,756.80 : 1,935,842.40 = 858,882.24 : x
  2. Step 2: Convert to fraction form
    1,402,756.80/1,935,842.40 = 858,882.24/x
  3. Step 3: Cross multiply
    1,402,756.80x = 1,935,842.40 × 858,882.24
  4. Step 4: Simplify right side
    1,402,756.80x = 1,662,660,656,798.98
  5. Step 5: Solve for x
    x = 1,662,660,656,798.98/1,402,756.80
  6. Step 6: Final answer
    x = 1,185,280.77

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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.