Home / 1,156,111.20-1,733,000.40-525,477.60

Finding the Fourth Proportional to 1,156,111.20, 1,733,000.40 and 525,477.60

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Solution

The fourth proportional to 1,156,111.20, 1,733,000.40 and 525,477.60 is: 787,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,111.20 : 1,733,000.40 = 525,477.60 : x
  2. Step 2: Convert to fraction form
    1,156,111.20/1,733,000.40 = 525,477.60/x
  3. Step 3: Cross multiply
    1,156,111.20x = 1,733,000.40 × 525,477.60
  4. Step 4: Simplify right side
    1,156,111.20x = 910,652,890,991.04
  5. Step 5: Solve for x
    x = 910,652,890,991.04/1,156,111.20
  6. Step 6: Final answer
    x = 787,686.25

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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.