Home / 1,840,663.29-2,762,256.06-642,585.57

Finding the Fourth Proportional to 1,840,663.29, 2,762,256.06 and 642,585.57

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Solution

The fourth proportional to 1,840,663.29, 2,762,256.06 and 642,585.57 is: 964,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,663.29 : 2,762,256.06 = 642,585.57 : x
  2. Step 2: Convert to fraction form
    1,840,663.29/2,762,256.06 = 642,585.57/x
  3. Step 3: Cross multiply
    1,840,663.29x = 2,762,256.06 × 642,585.57
  4. Step 4: Simplify right side
    1,840,663.29x = 1,774,985,889,980.28
  5. Step 5: Solve for x
    x = 1,774,985,889,980.28/1,840,663.29
  6. Step 6: Final answer
    x = 964,318.62

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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.