Home / 1,059,140.40-1,461,948.12-677,168.70

Finding the Fourth Proportional to 1,059,140.40, 1,461,948.12 and 677,168.70

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Solution

The fourth proportional to 1,059,140.40, 1,461,948.12 and 677,168.70 is: 934,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,140.40 : 1,461,948.12 = 677,168.70 : x
  2. Step 2: Convert to fraction form
    1,059,140.40/1,461,948.12 = 677,168.70/x
  3. Step 3: Cross multiply
    1,059,140.40x = 1,461,948.12 × 677,168.70
  4. Step 4: Simplify right side
    1,059,140.40x = 989,985,507,887.84
  5. Step 5: Solve for x
    x = 989,985,507,887.84/1,059,140.40
  6. Step 6: Final answer
    x = 934,706.59

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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.