Home / 829,296.95-1,144,782.89-557,522.47

Finding the Fourth Proportional to 829,296.95, 1,144,782.89 and 557,522.47

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Solution

The fourth proportional to 829,296.95, 1,144,782.89 and 557,522.47 is: 769,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,296.95 : 1,144,782.89 = 557,522.47 : x
  2. Step 2: Convert to fraction form
    829,296.95/1,144,782.89 = 557,522.47/x
  3. Step 3: Cross multiply
    829,296.95x = 1,144,782.89 × 557,522.47
  4. Step 4: Simplify right side
    829,296.95x = 638,242,182,978.39
  5. Step 5: Solve for x
    x = 638,242,182,978.39/829,296.95
  6. Step 6: Final answer
    x = 769,618.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.