Home / 785,799.90-1,084,214.70-458,927.54

Finding the Fourth Proportional to 785,799.90, 1,084,214.70 and 458,927.54

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Solution

The fourth proportional to 785,799.90, 1,084,214.70 and 458,927.54 is: 633,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,799.90 : 1,084,214.70 = 458,927.54 : x
  2. Step 2: Convert to fraction form
    785,799.90/1,084,214.70 = 458,927.54/x
  3. Step 3: Cross multiply
    785,799.90x = 1,084,214.70 × 458,927.54
  4. Step 4: Simplify right side
    785,799.90x = 497,575,985,102.84
  5. Step 5: Solve for x
    x = 497,575,985,102.84/785,799.90
  6. Step 6: Final answer
    x = 633,209.53

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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.