Home / 932,421.15-1,398,864.50-325,218.20

Finding the Fourth Proportional to 932,421.15, 1,398,864.50 and 325,218.20

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Solution

The fourth proportional to 932,421.15, 1,398,864.50 and 325,218.20 is: 487,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,421.15 : 1,398,864.50 = 325,218.20 : x
  2. Step 2: Convert to fraction form
    932,421.15/1,398,864.50 = 325,218.20/x
  3. Step 3: Cross multiply
    932,421.15x = 1,398,864.50 × 325,218.20
  4. Step 4: Simplify right side
    932,421.15x = 454,936,186,113.49
  5. Step 5: Solve for x
    x = 454,936,186,113.49/932,421.15
  6. Step 6: Final answer
    x = 487,908.48

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1.5x scale

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.