Home / 971,628.32-1,447,783.64-865,632.80

Finding the Fourth Proportional to 971,628.32, 1,447,783.64 and 865,632.80

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Solution

The fourth proportional to 971,628.32, 1,447,783.64 and 865,632.80 is: 1,289,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,628.32 : 1,447,783.64 = 865,632.80 : x
  2. Step 2: Convert to fraction form
    971,628.32/1,447,783.64 = 865,632.80/x
  3. Step 3: Cross multiply
    971,628.32x = 1,447,783.64 × 865,632.80
  4. Step 4: Simplify right side
    971,628.32x = 1,253,249,006,087.39
  5. Step 5: Solve for x
    x = 1,253,249,006,087.39/971,628.32
  6. Step 6: Final answer
    x = 1,289,844.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.