Home / 812,892.08-1,121,060.04-526,113.20

Finding the Fourth Proportional to 812,892.08, 1,121,060.04 and 526,113.20

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Solution

The fourth proportional to 812,892.08, 1,121,060.04 and 526,113.20 is: 725,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,892.08 : 1,121,060.04 = 526,113.20 : x
  2. Step 2: Convert to fraction form
    812,892.08/1,121,060.04 = 526,113.20/x
  3. Step 3: Cross multiply
    812,892.08x = 1,121,060.04 × 526,113.20
  4. Step 4: Simplify right side
    812,892.08x = 589,804,485,036.53
  5. Step 5: Solve for x
    x = 589,804,485,036.53/812,892.08
  6. Step 6: Final answer
    x = 725,563.08

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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.