Home / 1,185,719.30-1,778,573.00-287,161.01

Finding the Fourth Proportional to 1,185,719.30, 1,778,573.00 and 287,161.01

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Solution

The fourth proportional to 1,185,719.30, 1,778,573.00 and 287,161.01 is: 430,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,719.30 : 1,778,573.00 = 287,161.01 : x
  2. Step 2: Convert to fraction form
    1,185,719.30/1,778,573.00 = 287,161.01/x
  3. Step 3: Cross multiply
    1,185,719.30x = 1,778,573.00 × 287,161.01
  4. Step 4: Simplify right side
    1,185,719.30x = 510,736,808,710.06
  5. Step 5: Solve for x
    x = 510,736,808,710.06/1,185,719.30
  6. Step 6: Final answer
    x = 430,740.07

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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.