Home / 936,283.60-1,402,049.40-515,083.60

Finding the Fourth Proportional to 936,283.60, 1,402,049.40 and 515,083.60

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Solution

The fourth proportional to 936,283.60, 1,402,049.40 and 515,083.60 is: 771,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,283.60 : 1,402,049.40 = 515,083.60 : x
  2. Step 2: Convert to fraction form
    936,283.60/1,402,049.40 = 515,083.60/x
  3. Step 3: Cross multiply
    936,283.60x = 1,402,049.40 × 515,083.60
  4. Step 4: Simplify right side
    936,283.60x = 722,172,652,329.84
  5. Step 5: Solve for x
    x = 722,172,652,329.84/936,283.60
  6. Step 6: Final answer
    x = 771,318.28

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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.