Home / 841,855.60-1,161,785.72-459,888.72

Finding the Fourth Proportional to 841,855.60, 1,161,785.72 and 459,888.72

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Solution

The fourth proportional to 841,855.60, 1,161,785.72 and 459,888.72 is: 634,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,855.60 : 1,161,785.72 = 459,888.72 : x
  2. Step 2: Convert to fraction form
    841,855.60/1,161,785.72 = 459,888.72/x
  3. Step 3: Cross multiply
    841,855.60x = 1,161,785.72 × 459,888.72
  4. Step 4: Simplify right side
    841,855.60x = 534,292,147,685.08
  5. Step 5: Solve for x
    x = 534,292,147,685.08/841,855.60
  6. Step 6: Final answer
    x = 634,660.09

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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.