Home / 1,292,697.60-1,939,143.60-346,047.36

Finding the Fourth Proportional to 1,292,697.60, 1,939,143.60 and 346,047.36

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Solution

The fourth proportional to 1,292,697.60, 1,939,143.60 and 346,047.36 is: 519,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,697.60 : 1,939,143.60 = 346,047.36 : x
  2. Step 2: Convert to fraction form
    1,292,697.60/1,939,143.60 = 346,047.36/x
  3. Step 3: Cross multiply
    1,292,697.60x = 1,939,143.60 × 346,047.36
  4. Step 4: Simplify right side
    1,292,697.60x = 671,035,523,440.90
  5. Step 5: Solve for x
    x = 671,035,523,440.90/1,292,697.60
  6. Step 6: Final answer
    x = 519,097.06

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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.