Home / 1,212,069.02-1,672,666.00-668,223.95

Finding the Fourth Proportional to 1,212,069.02, 1,672,666.00 and 668,223.95

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Solution

The fourth proportional to 1,212,069.02, 1,672,666.00 and 668,223.95 is: 922,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,069.02 : 1,672,666.00 = 668,223.95 : x
  2. Step 2: Convert to fraction form
    1,212,069.02/1,672,666.00 = 668,223.95/x
  3. Step 3: Cross multiply
    1,212,069.02x = 1,672,666.00 × 668,223.95
  4. Step 4: Simplify right side
    1,212,069.02x = 1,117,715,471,516.81
  5. Step 5: Solve for x
    x = 1,117,715,471,516.81/1,212,069.02
  6. Step 6: Final answer
    x = 922,154.97

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1.5x scale

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.