Home / 914,042.57-1,261,363.23-506,135.64

Finding the Fourth Proportional to 914,042.57, 1,261,363.23 and 506,135.64

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Solution

The fourth proportional to 914,042.57, 1,261,363.23 and 506,135.64 is: 698,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,042.57 : 1,261,363.23 = 506,135.64 : x
  2. Step 2: Convert to fraction form
    914,042.57/1,261,363.23 = 506,135.64/x
  3. Step 3: Cross multiply
    914,042.57x = 1,261,363.23 × 506,135.64
  4. Step 4: Simplify right side
    914,042.57x = 638,420,885,688.52
  5. Step 5: Solve for x
    x = 638,420,885,688.52/914,042.57
  6. Step 6: Final answer
    x = 698,458.59

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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.