Home / 914,011.05-1,261,319.85-506,104.14

Finding the Fourth Proportional to 914,011.05, 1,261,319.85 and 506,104.14

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Solution

The fourth proportional to 914,011.05, 1,261,319.85 and 506,104.14 is: 698,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,011.05 : 1,261,319.85 = 506,104.14 : x
  2. Step 2: Convert to fraction form
    914,011.05/1,261,319.85 = 506,104.14/x
  3. Step 3: Cross multiply
    914,011.05x = 1,261,319.85 × 506,104.14
  4. Step 4: Simplify right side
    914,011.05x = 638,359,197,949.18
  5. Step 5: Solve for x
    x = 638,359,197,949.18/914,011.05
  6. Step 6: Final answer
    x = 698,415.19

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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.