Home / 864,985.18-1,193,674.79-477,827.25

Finding the Fourth Proportional to 864,985.18, 1,193,674.79 and 477,827.25

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Solution

The fourth proportional to 864,985.18, 1,193,674.79 and 477,827.25 is: 659,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,985.18 : 1,193,674.79 = 477,827.25 : x
  2. Step 2: Convert to fraction form
    864,985.18/1,193,674.79 = 477,827.25/x
  3. Step 3: Cross multiply
    864,985.18x = 1,193,674.79 × 477,827.25
  4. Step 4: Simplify right side
    864,985.18x = 570,370,345,732.74
  5. Step 5: Solve for x
    x = 570,370,345,732.74/864,985.18
  6. Step 6: Final answer
    x = 659,398.98

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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.