Home / 711,043.54-981,255.54-424,510.18

Finding the Fourth Proportional to 711,043.54, 981,255.54 and 424,510.18

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Solution

The fourth proportional to 711,043.54, 981,255.54 and 424,510.18 is: 585,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,043.54 : 981,255.54 = 424,510.18 : x
  2. Step 2: Convert to fraction form
    711,043.54/981,255.54 = 424,510.18/x
  3. Step 3: Cross multiply
    711,043.54x = 981,255.54 × 424,510.18
  4. Step 4: Simplify right side
    711,043.54x = 416,552,965,911.40
  5. Step 5: Solve for x
    x = 416,552,965,911.40/711,043.54
  6. Step 6: Final answer
    x = 585,833.28

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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.