Home / 563,875.40-778,076.36-322,173.63

Finding the Fourth Proportional to 563,875.40, 778,076.36 and 322,173.63

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Solution

The fourth proportional to 563,875.40, 778,076.36 and 322,173.63 is: 444,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,875.40 : 778,076.36 = 322,173.63 : x
  2. Step 2: Convert to fraction form
    563,875.40/778,076.36 = 322,173.63/x
  3. Step 3: Cross multiply
    563,875.40x = 778,076.36 × 322,173.63
  4. Step 4: Simplify right side
    563,875.40x = 250,675,683,707.52
  5. Step 5: Solve for x
    x = 250,675,683,707.52/563,875.40
  6. Step 6: Final answer
    x = 444,558.64

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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.