Home / 1,711,865.54-2,362,374.32-947,919.11

Finding the Fourth Proportional to 1,711,865.54, 2,362,374.32 and 947,919.11

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Solution

The fourth proportional to 1,711,865.54, 2,362,374.32 and 947,919.11 is: 1,308,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,865.54 : 2,362,374.32 = 947,919.11 : x
  2. Step 2: Convert to fraction form
    1,711,865.54/2,362,374.32 = 947,919.11/x
  3. Step 3: Cross multiply
    1,711,865.54x = 2,362,374.32 × 947,919.11
  4. Step 4: Simplify right side
    1,711,865.54x = 2,239,339,746,349.79
  5. Step 5: Solve for x
    x = 2,239,339,746,349.79/1,711,865.54
  6. Step 6: Final answer
    x = 1,308,128.29

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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.