Home / 1,323,897.60-1,985,846.40-1,176,931.20

Finding the Fourth Proportional to 1,323,897.60, 1,985,846.40 and 1,176,931.20

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Solution

The fourth proportional to 1,323,897.60, 1,985,846.40 and 1,176,931.20 is: 1,765,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,897.60 : 1,985,846.40 = 1,176,931.20 : x
  2. Step 2: Convert to fraction form
    1,323,897.60/1,985,846.40 = 1,176,931.20/x
  3. Step 3: Cross multiply
    1,323,897.60x = 1,985,846.40 × 1,176,931.20
  4. Step 4: Simplify right side
    1,323,897.60x = 2,337,204,586,567.68
  5. Step 5: Solve for x
    x = 2,337,204,586,567.68/1,323,897.60
  6. Step 6: Final answer
    x = 1,765,396.80

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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.