Home / 459,715.32-689,573.10-127,291.32

Finding the Fourth Proportional to 459,715.32, 689,573.10 and 127,291.32

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Solution

The fourth proportional to 459,715.32, 689,573.10 and 127,291.32 is: 190,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,715.32 : 689,573.10 = 127,291.32 : x
  2. Step 2: Convert to fraction form
    459,715.32/689,573.10 = 127,291.32/x
  3. Step 3: Cross multiply
    459,715.32x = 689,573.10 × 127,291.32
  4. Step 4: Simplify right side
    459,715.32x = 87,776,670,135.49
  5. Step 5: Solve for x
    x = 87,776,670,135.49/459,715.32
  6. Step 6: Final answer
    x = 190,937.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.