Home / 1,865,371.86-2,798,057.76-517,534.68

Finding the Fourth Proportional to 1,865,371.86, 2,798,057.76 and 517,534.68

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Solution

The fourth proportional to 1,865,371.86, 2,798,057.76 and 517,534.68 is: 776,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,371.86 : 2,798,057.76 = 517,534.68 : x
  2. Step 2: Convert to fraction form
    1,865,371.86/2,798,057.76 = 517,534.68/x
  3. Step 3: Cross multiply
    1,865,371.86x = 2,798,057.76 × 517,534.68
  4. Step 4: Simplify right side
    1,865,371.86x = 1,448,091,927,443.12
  5. Step 5: Solve for x
    x = 1,448,091,927,443.12/1,865,371.86
  6. Step 6: Final answer
    x = 776,302.01

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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.