Home / 914,357.92-1,262,430.49-570,717.34

Finding the Fourth Proportional to 914,357.92, 1,262,430.49 and 570,717.34

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Solution

The fourth proportional to 914,357.92, 1,262,430.49 and 570,717.34 is: 787,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,357.92 : 1,262,430.49 = 570,717.34 : x
  2. Step 2: Convert to fraction form
    914,357.92/1,262,430.49 = 570,717.34/x
  3. Step 3: Cross multiply
    914,357.92x = 1,262,430.49 × 570,717.34
  4. Step 4: Simplify right side
    914,357.92x = 720,490,971,187.70
  5. Step 5: Solve for x
    x = 720,490,971,187.70/914,357.92
  6. Step 6: Final answer
    x = 787,974.77

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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.