Home / 664,417.48-916,577.23-434,873.71

Finding the Fourth Proportional to 664,417.48, 916,577.23 and 434,873.71

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Solution

The fourth proportional to 664,417.48, 916,577.23 and 434,873.71 is: 599,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,417.48 : 916,577.23 = 434,873.71 : x
  2. Step 2: Convert to fraction form
    664,417.48/916,577.23 = 434,873.71/x
  3. Step 3: Cross multiply
    664,417.48x = 916,577.23 × 434,873.71
  4. Step 4: Simplify right side
    664,417.48x = 398,595,340,511.62
  5. Step 5: Solve for x
    x = 398,595,340,511.62/664,417.48
  6. Step 6: Final answer
    x = 599,917.00

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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.