Home / 1,018,728.73-1,528,077.36-260,563.50

Finding the Fourth Proportional to 1,018,728.73, 1,528,077.36 and 260,563.50

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Solution

The fourth proportional to 1,018,728.73, 1,528,077.36 and 260,563.50 is: 390,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,728.73 : 1,528,077.36 = 260,563.50 : x
  2. Step 2: Convert to fraction form
    1,018,728.73/1,528,077.36 = 260,563.50/x
  3. Step 3: Cross multiply
    1,018,728.73x = 1,528,077.36 × 260,563.50
  4. Step 4: Simplify right side
    1,018,728.73x = 398,161,185,192.36
  5. Step 5: Solve for x
    x = 398,161,185,192.36/1,018,728.73
  6. Step 6: Final answer
    x = 390,841.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.