Home / 1,556,430.78-2,334,717.75-476,866.02

Finding the Fourth Proportional to 1,556,430.78, 2,334,717.75 and 476,866.02

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Solution

The fourth proportional to 1,556,430.78, 2,334,717.75 and 476,866.02 is: 715,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,430.78 : 2,334,717.75 = 476,866.02 : x
  2. Step 2: Convert to fraction form
    1,556,430.78/2,334,717.75 = 476,866.02/x
  3. Step 3: Cross multiply
    1,556,430.78x = 2,334,717.75 × 476,866.02
  4. Step 4: Simplify right side
    1,556,430.78x = 1,113,347,561,265.86
  5. Step 5: Solve for x
    x = 1,113,347,561,265.86/1,556,430.78
  6. Step 6: Final answer
    x = 715,320.96

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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.