Home / 936,335.60-1,402,127.40-515,135.60

Finding the Fourth Proportional to 936,335.60, 1,402,127.40 and 515,135.60

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Solution

The fourth proportional to 936,335.60, 1,402,127.40 and 515,135.60 is: 771,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,335.60 : 1,402,127.40 = 515,135.60 : x
  2. Step 2: Convert to fraction form
    936,335.60/1,402,127.40 = 515,135.60/x
  3. Step 3: Cross multiply
    936,335.60x = 1,402,127.40 × 515,135.60
  4. Step 4: Simplify right side
    936,335.60x = 722,285,739,475.44
  5. Step 5: Solve for x
    x = 722,285,739,475.44/936,335.60
  6. Step 6: Final answer
    x = 771,396.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.