Home / 831,592.98-1,147,102.83-525,128.67

Finding the Fourth Proportional to 831,592.98, 1,147,102.83 and 525,128.67

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Solution

The fourth proportional to 831,592.98, 1,147,102.83 and 525,128.67 is: 724,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,592.98 : 1,147,102.83 = 525,128.67 : x
  2. Step 2: Convert to fraction form
    831,592.98/1,147,102.83 = 525,128.67/x
  3. Step 3: Cross multiply
    831,592.98x = 1,147,102.83 × 525,128.67
  4. Step 4: Simplify right side
    831,592.98x = 602,376,583,471.14
  5. Step 5: Solve for x
    x = 602,376,583,471.14/831,592.98
  6. Step 6: Final answer
    x = 724,364.68

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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.