Home / 691,786.36-1,030,802.73-616,326.76

Finding the Fourth Proportional to 691,786.36, 1,030,802.73 and 616,326.76

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Solution

The fourth proportional to 691,786.36, 1,030,802.73 and 616,326.76 is: 918,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,786.36 : 1,030,802.73 = 616,326.76 : x
  2. Step 2: Convert to fraction form
    691,786.36/1,030,802.73 = 616,326.76/x
  3. Step 3: Cross multiply
    691,786.36x = 1,030,802.73 × 616,326.76
  4. Step 4: Simplify right side
    691,786.36x = 635,311,306,780.06
  5. Step 5: Solve for x
    x = 635,311,306,780.06/691,786.36
  6. Step 6: Final answer
    x = 918,363.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.