Home / 737,827.42-1,018,188.08-402,168.35

Finding the Fourth Proportional to 737,827.42, 1,018,188.08 and 402,168.35

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Solution

The fourth proportional to 737,827.42, 1,018,188.08 and 402,168.35 is: 554,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,827.42 : 1,018,188.08 = 402,168.35 : x
  2. Step 2: Convert to fraction form
    737,827.42/1,018,188.08 = 402,168.35/x
  3. Step 3: Cross multiply
    737,827.42x = 1,018,188.08 × 402,168.35
  4. Step 4: Simplify right side
    737,827.42x = 409,483,020,123.27
  5. Step 5: Solve for x
    x = 409,483,020,123.27/737,827.42
  6. Step 6: Final answer
    x = 554,984.82

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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.