Home / 1,683,653.70-2,323,493.02-919,756.46

Finding the Fourth Proportional to 1,683,653.70, 2,323,493.02 and 919,756.46

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Solution

The fourth proportional to 1,683,653.70, 2,323,493.02 and 919,756.46 is: 1,269,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,653.70 : 2,323,493.02 = 919,756.46 : x
  2. Step 2: Convert to fraction form
    1,683,653.70/2,323,493.02 = 919,756.46/x
  3. Step 3: Cross multiply
    1,683,653.70x = 2,323,493.02 × 919,756.46
  4. Step 4: Simplify right side
    1,683,653.70x = 2,137,047,714,909.91
  5. Step 5: Solve for x
    x = 2,137,047,714,909.91/1,683,653.70
  6. Step 6: Final answer
    x = 1,269,291.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.