Home / 1,625,681.59-2,243,439.81-972,307.60

Finding the Fourth Proportional to 1,625,681.59, 2,243,439.81 and 972,307.60

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Solution

The fourth proportional to 1,625,681.59, 2,243,439.81 and 972,307.60 is: 1,341,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,681.59 : 2,243,439.81 = 972,307.60 : x
  2. Step 2: Convert to fraction form
    1,625,681.59/2,243,439.81 = 972,307.60/x
  3. Step 3: Cross multiply
    1,625,681.59x = 2,243,439.81 × 972,307.60
  4. Step 4: Simplify right side
    1,625,681.59x = 2,181,313,577,405.56
  5. Step 5: Solve for x
    x = 2,181,313,577,405.56/1,625,681.59
  6. Step 6: Final answer
    x = 1,341,784.02

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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.