Home / 1,214,712-1,823,173.02-646,570.74

Finding the Fourth Proportional to 1,214,712, 1,823,173.02 and 646,570.74

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Solution

The fourth proportional to 1,214,712, 1,823,173.02 and 646,570.74 is: 970,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,712 : 1,823,173.02 = 646,570.74 : x
  2. Step 2: Convert to fraction form
    1,214,712/1,823,173.02 = 646,570.74/x
  3. Step 3: Cross multiply
    1,214,712x = 1,823,173.02 × 646,570.74
  4. Step 4: Simplify right side
    1,214,712x = 1,178,810,328,689.43
  5. Step 5: Solve for x
    x = 1,178,810,328,689.43/1,214,712
  6. Step 6: Final answer
    x = 970,444.29

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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.