Home / 955,461.35-1,318,497.14-519,880.49

Finding the Fourth Proportional to 955,461.35, 1,318,497.14 and 519,880.49

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Solution

The fourth proportional to 955,461.35, 1,318,497.14 and 519,880.49 is: 717,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,461.35 : 1,318,497.14 = 519,880.49 : x
  2. Step 2: Convert to fraction form
    955,461.35/1,318,497.14 = 519,880.49/x
  3. Step 3: Cross multiply
    955,461.35x = 1,318,497.14 × 519,880.49
  4. Step 4: Simplify right side
    955,461.35x = 685,460,941,594.45
  5. Step 5: Solve for x
    x = 685,460,941,594.45/955,461.35
  6. Step 6: Final answer
    x = 717,413.57

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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.