Home / 864,971.23-1,193,655.54-477,813.28

Finding the Fourth Proportional to 864,971.23, 1,193,655.54 and 477,813.28

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Solution

The fourth proportional to 864,971.23, 1,193,655.54 and 477,813.28 is: 659,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,971.23 : 1,193,655.54 = 477,813.28 : x
  2. Step 2: Convert to fraction form
    864,971.23/1,193,655.54 = 477,813.28/x
  3. Step 3: Cross multiply
    864,971.23x = 1,193,655.54 × 477,813.28
  4. Step 4: Simplify right side
    864,971.23x = 570,344,473,916.16
  5. Step 5: Solve for x
    x = 570,344,473,916.16/864,971.23
  6. Step 6: Final answer
    x = 659,379.71

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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.