Home / 1,505,406.95-2,077,463.88-817,079.07

Finding the Fourth Proportional to 1,505,406.95, 2,077,463.88 and 817,079.07

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Solution

The fourth proportional to 1,505,406.95, 2,077,463.88 and 817,079.07 is: 1,127,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,406.95 : 2,077,463.88 = 817,079.07 : x
  2. Step 2: Convert to fraction form
    1,505,406.95/2,077,463.88 = 817,079.07/x
  3. Step 3: Cross multiply
    1,505,406.95x = 2,077,463.88 × 817,079.07
  4. Step 4: Simplify right side
    1,505,406.95x = 1,697,452,254,678.58
  5. Step 5: Solve for x
    x = 1,697,452,254,678.58/1,505,406.95
  6. Step 6: Final answer
    x = 1,127,570.36

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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.