Home / 1,389,054-1,917,140.22-816,094.02

Finding the Fourth Proportional to 1,389,054, 1,917,140.22 and 816,094.02

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Solution

The fourth proportional to 1,389,054, 1,917,140.22 and 816,094.02 is: 1,126,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,054 : 1,917,140.22 = 816,094.02 : x
  2. Step 2: Convert to fraction form
    1,389,054/1,917,140.22 = 816,094.02/x
  3. Step 3: Cross multiply
    1,389,054x = 1,917,140.22 × 816,094.02
  4. Step 4: Simplify right side
    1,389,054x = 1,564,566,669,043.48
  5. Step 5: Solve for x
    x = 1,564,566,669,043.48/1,389,054
  6. Step 6: Final answer
    x = 1,126,354.10

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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.