Home / 1,114,730.40-1,671,901.20-404,392.80

Finding the Fourth Proportional to 1,114,730.40, 1,671,901.20 and 404,392.80

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Solution

The fourth proportional to 1,114,730.40, 1,671,901.20 and 404,392.80 is: 606,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,730.40 : 1,671,901.20 = 404,392.80 : x
  2. Step 2: Convert to fraction form
    1,114,730.40/1,671,901.20 = 404,392.80/x
  3. Step 3: Cross multiply
    1,114,730.40x = 1,671,901.20 × 404,392.80
  4. Step 4: Simplify right side
    1,114,730.40x = 676,104,807,591.36
  5. Step 5: Solve for x
    x = 676,104,807,591.36/1,114,730.40
  6. Step 6: Final answer
    x = 606,518.68

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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.