Home / 1,292,816.30-1,939,225.26-618,739.16

Finding the Fourth Proportional to 1,292,816.30, 1,939,225.26 and 618,739.16

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Solution

The fourth proportional to 1,292,816.30, 1,939,225.26 and 618,739.16 is: 928,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,816.30 : 1,939,225.26 = 618,739.16 : x
  2. Step 2: Convert to fraction form
    1,292,816.30/1,939,225.26 = 618,739.16/x
  3. Step 3: Cross multiply
    1,292,816.30x = 1,939,225.26 × 618,739.16
  4. Step 4: Simplify right side
    1,292,816.30x = 1,199,874,608,423.18
  5. Step 5: Solve for x
    x = 1,199,874,608,423.18/1,292,816.30
  6. Step 6: Final answer
    x = 928,109.13

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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.