Home / 936,392.94-1,292,218.11-506,680.65

Finding the Fourth Proportional to 936,392.94, 1,292,218.11 and 506,680.65

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Solution

The fourth proportional to 936,392.94, 1,292,218.11 and 506,680.65 is: 699,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,392.94 : 1,292,218.11 = 506,680.65 : x
  2. Step 2: Convert to fraction form
    936,392.94/1,292,218.11 = 506,680.65/x
  3. Step 3: Cross multiply
    936,392.94x = 1,292,218.11 × 506,680.65
  4. Step 4: Simplify right side
    936,392.94x = 654,741,911,916.57
  5. Step 5: Solve for x
    x = 654,741,911,916.57/936,392.94
  6. Step 6: Final answer
    x = 699,217.05

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Double scale
Find fourth proportional to 936,393.94, 1,292,219.49 and 506,681.65
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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.