Home / 1,314,009.01-1,971,015.33-367,378.81

Finding the Fourth Proportional to 1,314,009.01, 1,971,015.33 and 367,378.81

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Solution

The fourth proportional to 1,314,009.01, 1,971,015.33 and 367,378.81 is: 551,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,009.01 : 1,971,015.33 = 367,378.81 : x
  2. Step 2: Convert to fraction form
    1,314,009.01/1,971,015.33 = 367,378.81/x
  3. Step 3: Cross multiply
    1,314,009.01x = 1,971,015.33 × 367,378.81
  4. Step 4: Simplify right side
    1,314,009.01x = 724,109,266,427.16
  5. Step 5: Solve for x
    x = 724,109,266,427.16/1,314,009.01
  6. Step 6: Final answer
    x = 551,068.72

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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.