Home / 1,128,779.28-1,693,334.16-529,801.28

Finding the Fourth Proportional to 1,128,779.28, 1,693,334.16 and 529,801.28

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Solution

The fourth proportional to 1,128,779.28, 1,693,334.16 and 529,801.28 is: 794,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,779.28 : 1,693,334.16 = 529,801.28 : x
  2. Step 2: Convert to fraction form
    1,128,779.28/1,693,334.16 = 529,801.28/x
  3. Step 3: Cross multiply
    1,128,779.28x = 1,693,334.16 × 529,801.28
  4. Step 4: Simplify right side
    1,128,779.28x = 897,130,605,435.73
  5. Step 5: Solve for x
    x = 897,130,605,435.73/1,128,779.28
  6. Step 6: Final answer
    x = 794,779.48

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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.