Home / 714,510.74-1,072,027.84-515,056.34

Finding the Fourth Proportional to 714,510.74, 1,072,027.84 and 515,056.34

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Solution

The fourth proportional to 714,510.74, 1,072,027.84 and 515,056.34 is: 772,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,510.74 : 1,072,027.84 = 515,056.34 : x
  2. Step 2: Convert to fraction form
    714,510.74/1,072,027.84 = 515,056.34/x
  3. Step 3: Cross multiply
    714,510.74x = 1,072,027.84 × 515,056.34
  4. Step 4: Simplify right side
    714,510.74x = 552,154,735,648.51
  5. Step 5: Solve for x
    x = 552,154,735,648.51/714,510.74
  6. Step 6: Final answer
    x = 772,773.18

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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.