Home / 1,808,678.34-2,712,989.86-611,441.64

Finding the Fourth Proportional to 1,808,678.34, 2,712,989.86 and 611,441.64

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Solution

The fourth proportional to 1,808,678.34, 2,712,989.86 and 611,441.64 is: 917,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,678.34 : 2,712,989.86 = 611,441.64 : x
  2. Step 2: Convert to fraction form
    1,808,678.34/2,712,989.86 = 611,441.64/x
  3. Step 3: Cross multiply
    1,808,678.34x = 2,712,989.86 × 611,441.64
  4. Step 4: Simplify right side
    1,808,678.34x = 1,658,834,969,301.77
  5. Step 5: Solve for x
    x = 1,658,834,969,301.77/1,808,678.34
  6. Step 6: Final answer
    x = 917,153.11

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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.