Home / 651,116.14-976,665.09-395,009.74

Finding the Fourth Proportional to 651,116.14, 976,665.09 and 395,009.74

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Solution

The fourth proportional to 651,116.14, 976,665.09 and 395,009.74 is: 592,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,116.14 : 976,665.09 = 395,009.74 : x
  2. Step 2: Convert to fraction form
    651,116.14/976,665.09 = 395,009.74/x
  3. Step 3: Cross multiply
    651,116.14x = 976,665.09 × 395,009.74
  4. Step 4: Simplify right side
    651,116.14x = 385,792,218,384.65
  5. Step 5: Solve for x
    x = 385,792,218,384.65/651,116.14
  6. Step 6: Final answer
    x = 592,509.07

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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.