Home / 1,871,205.60-2,806,808.40-673,312.80

Finding the Fourth Proportional to 1,871,205.60, 2,806,808.40 and 673,312.80

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Solution

The fourth proportional to 1,871,205.60, 2,806,808.40 and 673,312.80 is: 1,009,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,205.60 : 2,806,808.40 = 673,312.80 : x
  2. Step 2: Convert to fraction form
    1,871,205.60/2,806,808.40 = 673,312.80/x
  3. Step 3: Cross multiply
    1,871,205.60x = 2,806,808.40 × 673,312.80
  4. Step 4: Simplify right side
    1,871,205.60x = 1,889,860,022,867.52
  5. Step 5: Solve for x
    x = 1,889,860,022,867.52/1,871,205.60
  6. Step 6: Final answer
    x = 1,009,969.20

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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.