Home / 830,875.62-1,146,608.94-448,902.30

Finding the Fourth Proportional to 830,875.62, 1,146,608.94 and 448,902.30

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Solution

The fourth proportional to 830,875.62, 1,146,608.94 and 448,902.30 is: 619,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,875.62 : 1,146,608.94 = 448,902.30 : x
  2. Step 2: Convert to fraction form
    830,875.62/1,146,608.94 = 448,902.30/x
  3. Step 3: Cross multiply
    830,875.62x = 1,146,608.94 × 448,902.30
  4. Step 4: Simplify right side
    830,875.62x = 514,715,390,366.56
  5. Step 5: Solve for x
    x = 514,715,390,366.56/830,875.62
  6. Step 6: Final answer
    x = 619,485.49

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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.