Home / 914,436.60-1,261,797.54-506,437.74

Finding the Fourth Proportional to 914,436.60, 1,261,797.54 and 506,437.74

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Solution

The fourth proportional to 914,436.60, 1,261,797.54 and 506,437.74 is: 698,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,436.60 : 1,261,797.54 = 506,437.74 : x
  2. Step 2: Convert to fraction form
    914,436.60/1,261,797.54 = 506,437.74/x
  3. Step 3: Cross multiply
    914,436.60x = 1,261,797.54 × 506,437.74
  4. Step 4: Simplify right side
    914,436.60x = 639,021,894,495.16
  5. Step 5: Solve for x
    x = 639,021,894,495.16/914,436.60
  6. Step 6: Final answer
    x = 698,814.87

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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.