Home / 831,573.12-1,147,748.94-525,455.16

Finding the Fourth Proportional to 831,573.12, 1,147,748.94 and 525,455.16

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Solution

The fourth proportional to 831,573.12, 1,147,748.94 and 525,455.16 is: 725,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,573.12 : 1,147,748.94 = 525,455.16 : x
  2. Step 2: Convert to fraction form
    831,573.12/1,147,748.94 = 525,455.16/x
  3. Step 3: Cross multiply
    831,573.12x = 1,147,748.94 × 525,455.16
  4. Step 4: Simplify right side
    831,573.12x = 603,090,602,907.53
  5. Step 5: Solve for x
    x = 603,090,602,907.53/831,573.12
  6. Step 6: Final answer
    x = 725,240.62

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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.