Home / 811,076.49-1,118,913.53-524,688.93

Finding the Fourth Proportional to 811,076.49, 1,118,913.53 and 524,688.93

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Solution

The fourth proportional to 811,076.49, 1,118,913.53 and 524,688.93 is: 723,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,076.49 : 1,118,913.53 = 524,688.93 : x
  2. Step 2: Convert to fraction form
    811,076.49/1,118,913.53 = 524,688.93/x
  3. Step 3: Cross multiply
    811,076.49x = 1,118,913.53 × 524,688.93
  4. Step 4: Simplify right side
    811,076.49x = 587,081,540,194.78
  5. Step 5: Solve for x
    x = 587,081,540,194.78/811,076.49
  6. Step 6: Final answer
    x = 723,830.05

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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.