Home / 1,776,212.08-2,663,916.28-815,744.32

Finding the Fourth Proportional to 1,776,212.08, 2,663,916.28 and 815,744.32

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Solution

The fourth proportional to 1,776,212.08, 2,663,916.28 and 815,744.32 is: 1,223,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,212.08 : 2,663,916.28 = 815,744.32 : x
  2. Step 2: Convert to fraction form
    1,776,212.08/2,663,916.28 = 815,744.32/x
  3. Step 3: Cross multiply
    1,776,212.08x = 2,663,916.28 × 815,744.32
  4. Step 4: Simplify right side
    1,776,212.08x = 2,173,074,574,365.53
  5. Step 5: Solve for x
    x = 2,173,074,574,365.53/1,776,212.08
  6. Step 6: Final answer
    x = 1,223,431.93

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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.