Home / 947,977.14-1,308,155.49-518,171.70

Finding the Fourth Proportional to 947,977.14, 1,308,155.49 and 518,171.70

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Solution

The fourth proportional to 947,977.14, 1,308,155.49 and 518,171.70 is: 715,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,977.14 : 1,308,155.49 = 518,171.70 : x
  2. Step 2: Convert to fraction form
    947,977.14/1,308,155.49 = 518,171.70/x
  3. Step 3: Cross multiply
    947,977.14x = 1,308,155.49 × 518,171.70
  4. Step 4: Simplify right side
    947,977.14x = 677,849,154,117.63
  5. Step 5: Solve for x
    x = 677,849,154,117.63/947,977.14
  6. Step 6: Final answer
    x = 715,048.00

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1.5x scale

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.