Home / 779,815.95-1,169,643.12-528,709.47

Finding the Fourth Proportional to 779,815.95, 1,169,643.12 and 528,709.47

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Solution

The fourth proportional to 779,815.95, 1,169,643.12 and 528,709.47 is: 793,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,815.95 : 1,169,643.12 = 528,709.47 : x
  2. Step 2: Convert to fraction form
    779,815.95/1,169,643.12 = 528,709.47/x
  3. Step 3: Cross multiply
    779,815.95x = 1,169,643.12 × 528,709.47
  4. Step 4: Simplify right side
    779,815.95x = 618,401,394,064.35
  5. Step 5: Solve for x
    x = 618,401,394,064.35/779,815.95
  6. Step 6: Final answer
    x = 793,009.42

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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.