Home / 912,497.70-1,259,200.17-510,089.70

Finding the Fourth Proportional to 912,497.70, 1,259,200.17 and 510,089.70

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Solution

The fourth proportional to 912,497.70, 1,259,200.17 and 510,089.70 is: 703,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,497.70 : 1,259,200.17 = 510,089.70 : x
  2. Step 2: Convert to fraction form
    912,497.70/1,259,200.17 = 510,089.70/x
  3. Step 3: Cross multiply
    912,497.70x = 1,259,200.17 × 510,089.70
  4. Step 4: Simplify right side
    912,497.70x = 642,305,036,955.25
  5. Step 5: Solve for x
    x = 642,305,036,955.25/912,497.70
  6. Step 6: Final answer
    x = 703,897.71

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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.