Home / 922,985.20-1,273,783.50-515,166.60

Finding the Fourth Proportional to 922,985.20, 1,273,783.50 and 515,166.60

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Solution

The fourth proportional to 922,985.20, 1,273,783.50 and 515,166.60 is: 710,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,985.20 : 1,273,783.50 = 515,166.60 : x
  2. Step 2: Convert to fraction form
    922,985.20/1,273,783.50 = 515,166.60/x
  3. Step 3: Cross multiply
    922,985.20x = 1,273,783.50 × 515,166.60
  4. Step 4: Simplify right side
    922,985.20x = 656,210,714,831.10
  5. Step 5: Solve for x
    x = 656,210,714,831.10/922,985.20
  6. Step 6: Final answer
    x = 710,965.59

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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.