Home / 786,369.79-1,085,555.66-592,855.82

Finding the Fourth Proportional to 786,369.79, 1,085,555.66 and 592,855.82

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Solution

The fourth proportional to 786,369.79, 1,085,555.66 and 592,855.82 is: 818,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,369.79 : 1,085,555.66 = 592,855.82 : x
  2. Step 2: Convert to fraction form
    786,369.79/1,085,555.66 = 592,855.82/x
  3. Step 3: Cross multiply
    786,369.79x = 1,085,555.66 × 592,855.82
  4. Step 4: Simplify right side
    786,369.79x = 643,577,990,964.94
  5. Step 5: Solve for x
    x = 643,577,990,964.94/786,369.79
  6. Step 6: Final answer
    x = 818,416.47

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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.