Home / 1,599,316.81-2,207,053.99-910,988.40

Finding the Fourth Proportional to 1,599,316.81, 2,207,053.99 and 910,988.40

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Solution

The fourth proportional to 1,599,316.81, 2,207,053.99 and 910,988.40 is: 1,257,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,316.81 : 2,207,053.99 = 910,988.40 : x
  2. Step 2: Convert to fraction form
    1,599,316.81/2,207,053.99 = 910,988.40/x
  3. Step 3: Cross multiply
    1,599,316.81x = 2,207,053.99 × 910,988.40
  4. Step 4: Simplify right side
    1,599,316.81x = 2,010,600,583,063.72
  5. Step 5: Solve for x
    x = 2,010,600,583,063.72/1,599,316.81
  6. Step 6: Final answer
    x = 1,257,162.16

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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.