Home / 715,409.33-986,278.36-570,706.24

Finding the Fourth Proportional to 715,409.33, 986,278.36 and 570,706.24

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Solution

The fourth proportional to 715,409.33, 986,278.36 and 570,706.24 is: 786,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,409.33 : 986,278.36 = 570,706.24 : x
  2. Step 2: Convert to fraction form
    715,409.33/986,278.36 = 570,706.24/x
  3. Step 3: Cross multiply
    715,409.33x = 986,278.36 × 570,706.24
  4. Step 4: Simplify right side
    715,409.33x = 562,875,214,428.97
  5. Step 5: Solve for x
    x = 562,875,214,428.97/715,409.33
  6. Step 6: Final answer
    x = 786,787.63

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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.