Home / 663,986.01-916,303.59-362,186.49

Finding the Fourth Proportional to 663,986.01, 916,303.59 and 362,186.49

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Solution

The fourth proportional to 663,986.01, 916,303.59 and 362,186.49 is: 499,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,986.01 : 916,303.59 = 362,186.49 : x
  2. Step 2: Convert to fraction form
    663,986.01/916,303.59 = 362,186.49/x
  3. Step 3: Cross multiply
    663,986.01x = 916,303.59 × 362,186.49
  4. Step 4: Simplify right side
    663,986.01x = 331,872,781,036.50
  5. Step 5: Solve for x
    x = 331,872,781,036.50/663,986.01
  6. Step 6: Final answer
    x = 499,818.94

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Double scale
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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.