Home / 877,934.32-1,316,891.88-213,086.32

Finding the Fourth Proportional to 877,934.32, 1,316,891.88 and 213,086.32

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Solution

The fourth proportional to 877,934.32, 1,316,891.88 and 213,086.32 is: 319,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,934.32 : 1,316,891.88 = 213,086.32 : x
  2. Step 2: Convert to fraction form
    877,934.32/1,316,891.88 = 213,086.32/x
  3. Step 3: Cross multiply
    877,934.32x = 1,316,891.88 × 213,086.32
  4. Step 4: Simplify right side
    877,934.32x = 280,611,644,547.08
  5. Step 5: Solve for x
    x = 280,611,644,547.08/877,934.32
  6. Step 6: Final answer
    x = 319,627.15

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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.