Home / 830,721.74-1,248,683.70-548,227.64

Finding the Fourth Proportional to 830,721.74, 1,248,683.70 and 548,227.64

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Solution

The fourth proportional to 830,721.74, 1,248,683.70 and 548,227.64 is: 824,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,721.74 : 1,248,683.70 = 548,227.64 : x
  2. Step 2: Convert to fraction form
    830,721.74/1,248,683.70 = 548,227.64/x
  3. Step 3: Cross multiply
    830,721.74x = 1,248,683.70 × 548,227.64
  4. Step 4: Simplify right side
    830,721.74x = 684,562,917,957.47
  5. Step 5: Solve for x
    x = 684,562,917,957.47/830,721.74
  6. Step 6: Final answer
    x = 824,058.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.