Home / 516,050.32-712,125.80-286,622.28

Finding the Fourth Proportional to 516,050.32, 712,125.80 and 286,622.28

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Solution

The fourth proportional to 516,050.32, 712,125.80 and 286,622.28 is: 395,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,050.32 : 712,125.80 = 286,622.28 : x
  2. Step 2: Convert to fraction form
    516,050.32/712,125.80 = 286,622.28/x
  3. Step 3: Cross multiply
    516,050.32x = 712,125.80 × 286,622.28
  4. Step 4: Simplify right side
    516,050.32x = 204,111,120,442.82
  5. Step 5: Solve for x
    x = 204,111,120,442.82/516,050.32
  6. Step 6: Final answer
    x = 395,525.62

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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.