Home / 1,224,145.80-1,836,218.70-925,547.40

Finding the Fourth Proportional to 1,224,145.80, 1,836,218.70 and 925,547.40

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Solution

The fourth proportional to 1,224,145.80, 1,836,218.70 and 925,547.40 is: 1,388,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,145.80 : 1,836,218.70 = 925,547.40 : x
  2. Step 2: Convert to fraction form
    1,224,145.80/1,836,218.70 = 925,547.40/x
  3. Step 3: Cross multiply
    1,224,145.80x = 1,836,218.70 × 925,547.40
  4. Step 4: Simplify right side
    1,224,145.80x = 1,699,507,443,616.38
  5. Step 5: Solve for x
    x = 1,699,507,443,616.38/1,224,145.80
  6. Step 6: Final answer
    x = 1,388,321.10

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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.