Home / 927,095.83-1,390,859.42-287,365.64

Finding the Fourth Proportional to 927,095.83, 1,390,859.42 and 287,365.64

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Solution

The fourth proportional to 927,095.83, 1,390,859.42 and 287,365.64 is: 431,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,095.83 : 1,390,859.42 = 287,365.64 : x
  2. Step 2: Convert to fraction form
    927,095.83/1,390,859.42 = 287,365.64/x
  3. Step 3: Cross multiply
    927,095.83x = 1,390,859.42 × 287,365.64
  4. Step 4: Simplify right side
    927,095.83x = 399,685,198,987.20
  5. Step 5: Solve for x
    x = 399,685,198,987.20/927,095.83
  6. Step 6: Final answer
    x = 431,115.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.