Home / 1,113,009.92-1,669,802.72-651,777.41

Finding the Fourth Proportional to 1,113,009.92, 1,669,802.72 and 651,777.41

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Solution

The fourth proportional to 1,113,009.92, 1,669,802.72 and 651,777.41 is: 977,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,009.92 : 1,669,802.72 = 651,777.41 : x
  2. Step 2: Convert to fraction form
    1,113,009.92/1,669,802.72 = 651,777.41/x
  3. Step 3: Cross multiply
    1,113,009.92x = 1,669,802.72 × 651,777.41
  4. Step 4: Simplify right side
    1,113,009.92x = 1,088,339,696,634.42
  5. Step 5: Solve for x
    x = 1,088,339,696,634.42/1,113,009.92
  6. Step 6: Final answer
    x = 977,834.68

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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.