Home / 671,128.86-1,006,693.49-552,551.13

Finding the Fourth Proportional to 671,128.86, 1,006,693.49 and 552,551.13

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Solution

The fourth proportional to 671,128.86, 1,006,693.49 and 552,551.13 is: 828,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,128.86 : 1,006,693.49 = 552,551.13 : x
  2. Step 2: Convert to fraction form
    671,128.86/1,006,693.49 = 552,551.13/x
  3. Step 3: Cross multiply
    671,128.86x = 1,006,693.49 × 552,551.13
  4. Step 4: Simplify right side
    671,128.86x = 556,249,622,700.39
  5. Step 5: Solve for x
    x = 556,249,622,700.39/671,128.86
  6. Step 6: Final answer
    x = 828,826.86

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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.