Home / 859,484.93-1,294,221.34-636,425.51

Finding the Fourth Proportional to 859,484.93, 1,294,221.34 and 636,425.51

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Solution

The fourth proportional to 859,484.93, 1,294,221.34 and 636,425.51 is: 958,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,484.93 : 1,294,221.34 = 636,425.51 : x
  2. Step 2: Convert to fraction form
    859,484.93/1,294,221.34 = 636,425.51/x
  3. Step 3: Cross multiply
    859,484.93x = 1,294,221.34 × 636,425.51
  4. Step 4: Simplify right side
    859,484.93x = 823,675,470,686.81
  5. Step 5: Solve for x
    x = 823,675,470,686.81/859,484.93
  6. Step 6: Final answer
    x = 958,336.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.