Home / 734,110.02-1,013,105.21-428,192.46

Finding the Fourth Proportional to 734,110.02, 1,013,105.21 and 428,192.46

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Solution

The fourth proportional to 734,110.02, 1,013,105.21 and 428,192.46 is: 590,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,110.02 : 1,013,105.21 = 428,192.46 : x
  2. Step 2: Convert to fraction form
    734,110.02/1,013,105.21 = 428,192.46/x
  3. Step 3: Cross multiply
    734,110.02x = 1,013,105.21 × 428,192.46
  4. Step 4: Simplify right side
    734,110.02x = 433,804,009,967.75
  5. Step 5: Solve for x
    x = 433,804,009,967.75/734,110.02
  6. Step 6: Final answer
    x = 590,925.06

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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.