Home / 456,312.24-684,643.34-190,001.24

Finding the Fourth Proportional to 456,312.24, 684,643.34 and 190,001.24

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Solution

The fourth proportional to 456,312.24, 684,643.34 and 190,001.24 is: 285,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,312.24 : 684,643.34 = 190,001.24 : x
  2. Step 2: Convert to fraction form
    456,312.24/684,643.34 = 190,001.24/x
  3. Step 3: Cross multiply
    456,312.24x = 684,643.34 × 190,001.24
  4. Step 4: Simplify right side
    456,312.24x = 130,083,083,557.74
  5. Step 5: Solve for x
    x = 130,083,083,557.74/456,312.24
  6. Step 6: Final answer
    x = 285,074.72

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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.