Home / 1,173,225.38-1,619,051.02-636,681.38

Finding the Fourth Proportional to 1,173,225.38, 1,619,051.02 and 636,681.38

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Solution

The fourth proportional to 1,173,225.38, 1,619,051.02 and 636,681.38 is: 878,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,225.38 : 1,619,051.02 = 636,681.38 : x
  2. Step 2: Convert to fraction form
    1,173,225.38/1,619,051.02 = 636,681.38/x
  3. Step 3: Cross multiply
    1,173,225.38x = 1,619,051.02 × 636,681.38
  4. Step 4: Simplify right side
    1,173,225.38x = 1,030,819,637,704.01
  5. Step 5: Solve for x
    x = 1,030,819,637,704.01/1,173,225.38
  6. Step 6: Final answer
    x = 878,620.30

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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.