Home / 1,393,717.32-1,924,154.39-877,913.37

Finding the Fourth Proportional to 1,393,717.32, 1,924,154.39 and 877,913.37

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Solution

The fourth proportional to 1,393,717.32, 1,924,154.39 and 877,913.37 is: 1,212,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,717.32 : 1,924,154.39 = 877,913.37 : x
  2. Step 2: Convert to fraction form
    1,393,717.32/1,924,154.39 = 877,913.37/x
  3. Step 3: Cross multiply
    1,393,717.32x = 1,924,154.39 × 877,913.37
  4. Step 4: Simplify right side
    1,393,717.32x = 1,689,240,864,925.19
  5. Step 5: Solve for x
    x = 1,689,240,864,925.19/1,393,717.32
  6. Step 6: Final answer
    x = 1,212,039.80

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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.