Home / 933,190.98-1,287,827.60-525,307.43

Finding the Fourth Proportional to 933,190.98, 1,287,827.60 and 525,307.43

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Solution

The fourth proportional to 933,190.98, 1,287,827.60 and 525,307.43 is: 724,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,190.98 : 1,287,827.60 = 525,307.43 : x
  2. Step 2: Convert to fraction form
    933,190.98/1,287,827.60 = 525,307.43/x
  3. Step 3: Cross multiply
    933,190.98x = 1,287,827.60 × 525,307.43
  4. Step 4: Simplify right side
    933,190.98x = 676,505,406,839.07
  5. Step 5: Solve for x
    x = 676,505,406,839.07/933,190.98
  6. Step 6: Final answer
    x = 724,937.79

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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.