Home / 832,050.54-1,147,865.07-487,711.92

Finding the Fourth Proportional to 832,050.54, 1,147,865.07 and 487,711.92

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Solution

The fourth proportional to 832,050.54, 1,147,865.07 and 487,711.92 is: 672,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,050.54 : 1,147,865.07 = 487,711.92 : x
  2. Step 2: Convert to fraction form
    832,050.54/1,147,865.07 = 487,711.92/x
  3. Step 3: Cross multiply
    832,050.54x = 1,147,865.07 × 487,711.92
  4. Step 4: Simplify right side
    832,050.54x = 559,827,477,190.63
  5. Step 5: Solve for x
    x = 559,827,477,190.63/832,050.54
  6. Step 6: Final answer
    x = 672,828.69

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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.