Home / 933,189.48-1,287,825.53-525,305.93

Finding the Fourth Proportional to 933,189.48, 1,287,825.53 and 525,305.93

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Solution

The fourth proportional to 933,189.48, 1,287,825.53 and 525,305.93 is: 724,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,189.48 : 1,287,825.53 = 525,305.93 : x
  2. Step 2: Convert to fraction form
    933,189.48/1,287,825.53 = 525,305.93/x
  3. Step 3: Cross multiply
    933,189.48x = 1,287,825.53 × 525,305.93
  4. Step 4: Simplify right side
    933,189.48x = 676,502,378,648.74
  5. Step 5: Solve for x
    x = 676,502,378,648.74/933,189.48
  6. Step 6: Final answer
    x = 724,935.71

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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.