Home / 833,140.72-1,248,869.54-328,056.11

Finding the Fourth Proportional to 833,140.72, 1,248,869.54 and 328,056.11

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Solution

The fourth proportional to 833,140.72, 1,248,869.54 and 328,056.11 is: 491,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,140.72 : 1,248,869.54 = 328,056.11 : x
  2. Step 2: Convert to fraction form
    833,140.72/1,248,869.54 = 328,056.11/x
  3. Step 3: Cross multiply
    833,140.72x = 1,248,869.54 × 328,056.11
  4. Step 4: Simplify right side
    833,140.72x = 409,699,281,549.61
  5. Step 5: Solve for x
    x = 409,699,281,549.61/833,140.72
  6. Step 6: Final answer
    x = 491,752.80

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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.