Home / 1,088,218.83-1,630,949.45-615,173.07

Finding the Fourth Proportional to 1,088,218.83, 1,630,949.45 and 615,173.07

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Solution

The fourth proportional to 1,088,218.83, 1,630,949.45 and 615,173.07 is: 921,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,218.83 : 1,630,949.45 = 615,173.07 : x
  2. Step 2: Convert to fraction form
    1,088,218.83/1,630,949.45 = 615,173.07/x
  3. Step 3: Cross multiply
    1,088,218.83x = 1,630,949.45 × 615,173.07
  4. Step 4: Simplify right side
    1,088,218.83x = 1,003,316,177,095.45
  5. Step 5: Solve for x
    x = 1,003,316,177,095.45/1,088,218.83
  6. Step 6: Final answer
    x = 921,980.17

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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.