Home / 516,200.16-710,708.40-440,444.64

Finding the Fourth Proportional to 516,200.16, 710,708.40 and 440,444.64

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Solution

The fourth proportional to 516,200.16, 710,708.40 and 440,444.64 is: 606,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,200.16 : 710,708.40 = 440,444.64 : x
  2. Step 2: Convert to fraction form
    516,200.16/710,708.40 = 440,444.64/x
  3. Step 3: Cross multiply
    516,200.16x = 710,708.40 × 440,444.64
  4. Step 4: Simplify right side
    516,200.16x = 313,027,705,382.98
  5. Step 5: Solve for x
    x = 313,027,705,382.98/516,200.16
  6. Step 6: Final answer
    x = 606,407.61

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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.