Home / 758,689.62-1,046,979.45-414,518.15

Finding the Fourth Proportional to 758,689.62, 1,046,979.45 and 414,518.15

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Solution

The fourth proportional to 758,689.62, 1,046,979.45 and 414,518.15 is: 572,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,689.62 : 1,046,979.45 = 414,518.15 : x
  2. Step 2: Convert to fraction form
    758,689.62/1,046,979.45 = 414,518.15/x
  3. Step 3: Cross multiply
    758,689.62x = 1,046,979.45 × 414,518.15
  4. Step 4: Simplify right side
    758,689.62x = 433,991,984,702.02
  5. Step 5: Solve for x
    x = 433,991,984,702.02/758,689.62
  6. Step 6: Final answer
    x = 572,028.37

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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.