Home / 661,259.27-912,547.79-370,935.19

Finding the Fourth Proportional to 661,259.27, 912,547.79 and 370,935.19

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Solution

The fourth proportional to 661,259.27, 912,547.79 and 370,935.19 is: 511,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,259.27 : 912,547.79 = 370,935.19 : x
  2. Step 2: Convert to fraction form
    661,259.27/912,547.79 = 370,935.19/x
  3. Step 3: Cross multiply
    661,259.27x = 912,547.79 × 370,935.19
  4. Step 4: Simplify right side
    661,259.27x = 338,496,088,685.56
  5. Step 5: Solve for x
    x = 338,496,088,685.56/661,259.27
  6. Step 6: Final answer
    x = 511,896.17

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Double scale
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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.