Home / 831,984.32-1,148,134.02-450,010.10

Finding the Fourth Proportional to 831,984.32, 1,148,134.02 and 450,010.10

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Solution

The fourth proportional to 831,984.32, 1,148,134.02 and 450,010.10 is: 621,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,984.32 : 1,148,134.02 = 450,010.10 : x
  2. Step 2: Convert to fraction form
    831,984.32/1,148,134.02 = 450,010.10/x
  3. Step 3: Cross multiply
    831,984.32x = 1,148,134.02 × 450,010.10
  4. Step 4: Simplify right side
    831,984.32x = 516,671,905,153.60
  5. Step 5: Solve for x
    x = 516,671,905,153.60/831,984.32
  6. Step 6: Final answer
    x = 621,011.59

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Double scale
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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.