Home / 734,252.11-1,013,332.02-428,427.01

Finding the Fourth Proportional to 734,252.11, 1,013,332.02 and 428,427.01

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Solution

The fourth proportional to 734,252.11, 1,013,332.02 and 428,427.01 is: 591,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,252.11 : 1,013,332.02 = 428,427.01 : x
  2. Step 2: Convert to fraction form
    734,252.11/1,013,332.02 = 428,427.01/x
  3. Step 3: Cross multiply
    734,252.11x = 1,013,332.02 × 428,427.01
  4. Step 4: Simplify right side
    734,252.11x = 434,138,813,590.77
  5. Step 5: Solve for x
    x = 434,138,813,590.77/734,252.11
  6. Step 6: Final answer
    x = 591,266.69

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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.