Home / 1,117,534.60-1,676,281.74-407,555.56

Finding the Fourth Proportional to 1,117,534.60, 1,676,281.74 and 407,555.56

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Solution

The fourth proportional to 1,117,534.60, 1,676,281.74 and 407,555.56 is: 611,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,534.60 : 1,676,281.74 = 407,555.56 : x
  2. Step 2: Convert to fraction form
    1,117,534.60/1,676,281.74 = 407,555.56/x
  3. Step 3: Cross multiply
    1,117,534.60x = 1,676,281.74 × 407,555.56
  4. Step 4: Simplify right side
    1,117,534.60x = 683,177,943,263.47
  5. Step 5: Solve for x
    x = 683,177,943,263.47/1,117,534.60
  6. Step 6: Final answer
    x = 611,325.99

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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.