Home / 830,799.36-1,145,750.40-544,214.88

Finding the Fourth Proportional to 830,799.36, 1,145,750.40 and 544,214.88

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Solution

The fourth proportional to 830,799.36, 1,145,750.40 and 544,214.88 is: 750,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,799.36 : 1,145,750.40 = 544,214.88 : x
  2. Step 2: Convert to fraction form
    830,799.36/1,145,750.40 = 544,214.88/x
  3. Step 3: Cross multiply
    830,799.36x = 1,145,750.40 × 544,214.88
  4. Step 4: Simplify right side
    830,799.36x = 623,534,416,445.95
  5. Step 5: Solve for x
    x = 623,534,416,445.95/830,799.36
  6. Step 6: Final answer
    x = 750,523.47

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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.