Home / 1,207,929-1,811,893.86-355,000.62

Finding the Fourth Proportional to 1,207,929, 1,811,893.86 and 355,000.62

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Solution

The fourth proportional to 1,207,929, 1,811,893.86 and 355,000.62 is: 532,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,929 : 1,811,893.86 = 355,000.62 : x
  2. Step 2: Convert to fraction form
    1,207,929/1,811,893.86 = 355,000.62/x
  3. Step 3: Cross multiply
    1,207,929x = 1,811,893.86 × 355,000.62
  4. Step 4: Simplify right side
    1,207,929x = 643,223,443,674.19
  5. Step 5: Solve for x
    x = 643,223,443,674.19/1,207,929
  6. Step 6: Final answer
    x = 532,501.04

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Double scale
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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.