Home / 931,746.74-1,285,802.85-587,804.84

Finding the Fourth Proportional to 931,746.74, 1,285,802.85 and 587,804.84

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Solution

The fourth proportional to 931,746.74, 1,285,802.85 and 587,804.84 is: 811,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,746.74 : 1,285,802.85 = 587,804.84 : x
  2. Step 2: Convert to fraction form
    931,746.74/1,285,802.85 = 587,804.84/x
  3. Step 3: Cross multiply
    931,746.74x = 1,285,802.85 × 587,804.84
  4. Step 4: Simplify right side
    931,746.74x = 755,801,132,086.78
  5. Step 5: Solve for x
    x = 755,801,132,086.78/931,746.74
  6. Step 6: Final answer
    x = 811,165.85

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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.