Home / 684,308.63-943,340.37-479,740.16

Finding the Fourth Proportional to 684,308.63, 943,340.37 and 479,740.16

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Solution

The fourth proportional to 684,308.63, 943,340.37 and 479,740.16 is: 661,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,308.63 : 943,340.37 = 479,740.16 : x
  2. Step 2: Convert to fraction form
    684,308.63/943,340.37 = 479,740.16/x
  3. Step 3: Cross multiply
    684,308.63x = 943,340.37 × 479,740.16
  4. Step 4: Simplify right side
    684,308.63x = 452,558,260,038.26
  5. Step 5: Solve for x
    x = 452,558,260,038.26/684,308.63
  6. Step 6: Final answer
    x = 661,336.48

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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.