Home / 779,934.23-1,076,364.95-431,067.16

Finding the Fourth Proportional to 779,934.23, 1,076,364.95 and 431,067.16

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Solution

The fourth proportional to 779,934.23, 1,076,364.95 and 431,067.16 is: 594,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,934.23 : 1,076,364.95 = 431,067.16 : x
  2. Step 2: Convert to fraction form
    779,934.23/1,076,364.95 = 431,067.16/x
  3. Step 3: Cross multiply
    779,934.23x = 1,076,364.95 × 431,067.16
  4. Step 4: Simplify right side
    779,934.23x = 463,985,580,506.80
  5. Step 5: Solve for x
    x = 463,985,580,506.80/779,934.23
  6. Step 6: Final answer
    x = 594,903.47

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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.