Home / 1,186,816.38-1,780,199.46-288,262.32

Finding the Fourth Proportional to 1,186,816.38, 1,780,199.46 and 288,262.32

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Solution

The fourth proportional to 1,186,816.38, 1,780,199.46 and 288,262.32 is: 432,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,816.38 : 1,780,199.46 = 288,262.32 : x
  2. Step 2: Convert to fraction form
    1,186,816.38/1,780,199.46 = 288,262.32/x
  3. Step 3: Cross multiply
    1,186,816.38x = 1,780,199.46 × 288,262.32
  4. Step 4: Simplify right side
    1,186,816.38x = 513,164,426,402.35
  5. Step 5: Solve for x
    x = 513,164,426,402.35/1,186,816.38
  6. Step 6: Final answer
    x = 432,387.38

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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.