Home / 1,456,142.34-2,009,544.89-811,567.02

Finding the Fourth Proportional to 1,456,142.34, 2,009,544.89 and 811,567.02

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Solution

The fourth proportional to 1,456,142.34, 2,009,544.89 and 811,567.02 is: 1,120,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,142.34 : 2,009,544.89 = 811,567.02 : x
  2. Step 2: Convert to fraction form
    1,456,142.34/2,009,544.89 = 811,567.02/x
  3. Step 3: Cross multiply
    1,456,142.34x = 2,009,544.89 × 811,567.02
  4. Step 4: Simplify right side
    1,456,142.34x = 1,630,880,353,875.69
  5. Step 5: Solve for x
    x = 1,630,880,353,875.69/1,456,142.34
  6. Step 6: Final answer
    x = 1,120,000.64

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