Home / 933,133.41-1,287,641.96-519,638.95

Finding the Fourth Proportional to 933,133.41, 1,287,641.96 and 519,638.95

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Solution

The fourth proportional to 933,133.41, 1,287,641.96 and 519,638.95 is: 717,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,133.41 : 1,287,641.96 = 519,638.95 : x
  2. Step 2: Convert to fraction form
    933,133.41/1,287,641.96 = 519,638.95/x
  3. Step 3: Cross multiply
    933,133.41x = 1,287,641.96 × 519,638.95
  4. Step 4: Simplify right side
    933,133.41x = 669,108,916,070.34
  5. Step 5: Solve for x
    x = 669,108,916,070.34/933,133.41
  6. Step 6: Final answer
    x = 717,056.01

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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.