Home / 1,091,851.92-1,636,669.80-417,760.20

Finding the Fourth Proportional to 1,091,851.92, 1,636,669.80 and 417,760.20

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Solution

The fourth proportional to 1,091,851.92, 1,636,669.80 and 417,760.20 is: 626,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,851.92 : 1,636,669.80 = 417,760.20 : x
  2. Step 2: Convert to fraction form
    1,091,851.92/1,636,669.80 = 417,760.20/x
  3. Step 3: Cross multiply
    1,091,851.92x = 1,636,669.80 × 417,760.20
  4. Step 4: Simplify right side
    1,091,851.92x = 683,735,502,981.96
  5. Step 5: Solve for x
    x = 683,735,502,981.96/1,091,851.92
  6. Step 6: Final answer
    x = 626,216.33

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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.