Home / 957,140.74-1,320,858.66-527,411.98

Finding the Fourth Proportional to 957,140.74, 1,320,858.66 and 527,411.98

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Solution

The fourth proportional to 957,140.74, 1,320,858.66 and 527,411.98 is: 727,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,140.74 : 1,320,858.66 = 527,411.98 : x
  2. Step 2: Convert to fraction form
    957,140.74/1,320,858.66 = 527,411.98/x
  3. Step 3: Cross multiply
    957,140.74x = 1,320,858.66 × 527,411.98
  4. Step 4: Simplify right side
    957,140.74x = 696,636,681,170.75
  5. Step 5: Solve for x
    x = 696,636,681,170.75/957,140.74
  6. Step 6: Final answer
    x = 727,830.98

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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.