Home / 824,123.76-1,241,801.12-677,645.25

Finding the Fourth Proportional to 824,123.76, 1,241,801.12 and 677,645.25

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Solution

The fourth proportional to 824,123.76, 1,241,801.12 and 677,645.25 is: 1,021,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,123.76 : 1,241,801.12 = 677,645.25 : x
  2. Step 2: Convert to fraction form
    824,123.76/1,241,801.12 = 677,645.25/x
  3. Step 3: Cross multiply
    824,123.76x = 1,241,801.12 × 677,645.25
  4. Step 4: Simplify right side
    824,123.76x = 841,500,627,024.45
  5. Step 5: Solve for x
    x = 841,500,627,024.45/824,123.76
  6. Step 6: Final answer
    x = 1,021,085.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.