Home / 914,111.55-1,261,442.34-506,230.38

Finding the Fourth Proportional to 914,111.55, 1,261,442.34 and 506,230.38

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Solution

The fourth proportional to 914,111.55, 1,261,442.34 and 506,230.38 is: 698,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,111.55 : 1,261,442.34 = 506,230.38 : x
  2. Step 2: Convert to fraction form
    914,111.55/1,261,442.34 = 506,230.38/x
  3. Step 3: Cross multiply
    914,111.55x = 1,261,442.34 × 506,230.38
  4. Step 4: Simplify right side
    914,111.55x = 638,580,435,126.29
  5. Step 5: Solve for x
    x = 638,580,435,126.29/914,111.55
  6. Step 6: Final answer
    x = 698,580.43

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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.