Home / 933,132.41-1,287,640.58-519,637.95

Finding the Fourth Proportional to 933,132.41, 1,287,640.58 and 519,637.95

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Solution

The fourth proportional to 933,132.41, 1,287,640.58 and 519,637.95 is: 717,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,132.41 : 1,287,640.58 = 519,637.95 : x
  2. Step 2: Convert to fraction form
    933,132.41/1,287,640.58 = 519,637.95/x
  3. Step 3: Cross multiply
    933,132.41x = 1,287,640.58 × 519,637.95
  4. Step 4: Simplify right side
    933,132.41x = 669,106,911,328.01
  5. Step 5: Solve for x
    x = 669,106,911,328.01/933,132.41
  6. Step 6: Final answer
    x = 717,054.63

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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.