Home / 851,437.60-1,174,366.32-579,021.28

Finding the Fourth Proportional to 851,437.60, 1,174,366.32 and 579,021.28

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Solution

The fourth proportional to 851,437.60, 1,174,366.32 and 579,021.28 is: 798,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,437.60 : 1,174,366.32 = 579,021.28 : x
  2. Step 2: Convert to fraction form
    851,437.60/1,174,366.32 = 579,021.28/x
  3. Step 3: Cross multiply
    851,437.60x = 1,174,366.32 × 579,021.28
  4. Step 4: Simplify right side
    851,437.60x = 679,983,089,795.29
  5. Step 5: Solve for x
    x = 679,983,089,795.29/851,437.60
  6. Step 6: Final answer
    x = 798,629.39

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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.