Home / 1,398,207.18-2,095,982.10-891,345.51

Finding the Fourth Proportional to 1,398,207.18, 2,095,982.10 and 891,345.51

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Solution

The fourth proportional to 1,398,207.18, 2,095,982.10 and 891,345.51 is: 1,336,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,207.18 : 2,095,982.10 = 891,345.51 : x
  2. Step 2: Convert to fraction form
    1,398,207.18/2,095,982.10 = 891,345.51/x
  3. Step 3: Cross multiply
    1,398,207.18x = 2,095,982.10 × 891,345.51
  4. Step 4: Simplify right side
    1,398,207.18x = 1,868,244,233,875.37
  5. Step 5: Solve for x
    x = 1,868,244,233,875.37/1,398,207.18
  6. Step 6: Final answer
    x = 1,336,171.25

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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.