Home / 1,216,200.02-1,678,355.64-679,656.02

Finding the Fourth Proportional to 1,216,200.02, 1,678,355.64 and 679,656.02

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Solution

The fourth proportional to 1,216,200.02, 1,678,355.64 and 679,656.02 is: 937,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,200.02 : 1,678,355.64 = 679,656.02 : x
  2. Step 2: Convert to fraction form
    1,216,200.02/1,678,355.64 = 679,656.02/x
  3. Step 3: Cross multiply
    1,216,200.02x = 1,678,355.64 × 679,656.02
  4. Step 4: Simplify right side
    1,216,200.02x = 1,140,704,506,035.17
  5. Step 5: Solve for x
    x = 1,140,704,506,035.17/1,216,200.02
  6. Step 6: Final answer
    x = 937,925.09

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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.