Home / 884,302.40-1,326,734.04-315,671.02

Finding the Fourth Proportional to 884,302.40, 1,326,734.04 and 315,671.02

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Solution

The fourth proportional to 884,302.40, 1,326,734.04 and 315,671.02 is: 473,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,302.40 : 1,326,734.04 = 315,671.02 : x
  2. Step 2: Convert to fraction form
    884,302.40/1,326,734.04 = 315,671.02/x
  3. Step 3: Cross multiply
    884,302.40x = 1,326,734.04 × 315,671.02
  4. Step 4: Simplify right side
    884,302.40x = 418,811,490,992.36
  5. Step 5: Solve for x
    x = 418,811,490,992.36/884,302.40
  6. Step 6: Final answer
    x = 473,606.64

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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.