Home / 1,539,636.10-2,308,793.59-528,859.78

Finding the Fourth Proportional to 1,539,636.10, 2,308,793.59 and 528,859.78

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Solution

The fourth proportional to 1,539,636.10, 2,308,793.59 and 528,859.78 is: 793,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,636.10 : 2,308,793.59 = 528,859.78 : x
  2. Step 2: Convert to fraction form
    1,539,636.10/2,308,793.59 = 528,859.78/x
  3. Step 3: Cross multiply
    1,539,636.10x = 2,308,793.59 × 528,859.78
  4. Step 4: Simplify right side
    1,539,636.10x = 1,221,028,070,072.81
  5. Step 5: Solve for x
    x = 1,221,028,070,072.81/1,539,636.10
  6. Step 6: Final answer
    x = 793,062.77

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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.