Home / 831,056.43-1,147,291.50-589,915.08

Finding the Fourth Proportional to 831,056.43, 1,147,291.50 and 589,915.08

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Solution

The fourth proportional to 831,056.43, 1,147,291.50 and 589,915.08 is: 814,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,056.43 : 1,147,291.50 = 589,915.08 : x
  2. Step 2: Convert to fraction form
    831,056.43/1,147,291.50 = 589,915.08/x
  3. Step 3: Cross multiply
    831,056.43x = 1,147,291.50 × 589,915.08
  4. Step 4: Simplify right side
    831,056.43x = 676,804,557,005.82
  5. Step 5: Solve for x
    x = 676,804,557,005.82/831,056.43
  6. Step 6: Final answer
    x = 814,390.61

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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.