Home / 1,095,556.70-1,643,335.05-1,079,810.30

Finding the Fourth Proportional to 1,095,556.70, 1,643,335.05 and 1,079,810.30

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Solution

The fourth proportional to 1,095,556.70, 1,643,335.05 and 1,079,810.30 is: 1,619,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,556.70 : 1,643,335.05 = 1,079,810.30 : x
  2. Step 2: Convert to fraction form
    1,095,556.70/1,643,335.05 = 1,079,810.30/x
  3. Step 3: Cross multiply
    1,095,556.70x = 1,643,335.05 × 1,079,810.30
  4. Step 4: Simplify right side
    1,095,556.70x = 1,774,490,113,341.02
  5. Step 5: Solve for x
    x = 1,774,490,113,341.02/1,095,556.70
  6. Step 6: Final answer
    x = 1,619,715.45

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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.