Home / 770,948.80-1,156,533.36-238,515.28

Finding the Fourth Proportional to 770,948.80, 1,156,533.36 and 238,515.28

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Solution

The fourth proportional to 770,948.80, 1,156,533.36 and 238,515.28 is: 357,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,948.80 : 1,156,533.36 = 238,515.28 : x
  2. Step 2: Convert to fraction form
    770,948.80/1,156,533.36 = 238,515.28/x
  3. Step 3: Cross multiply
    770,948.80x = 1,156,533.36 × 238,515.28
  4. Step 4: Simplify right side
    770,948.80x = 275,850,878,189.74
  5. Step 5: Solve for x
    x = 275,850,878,189.74/770,948.80
  6. Step 6: Final answer
    x = 357,807.00

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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.