Home / 578,085.40-867,111.90-262,541.80

Finding the Fourth Proportional to 578,085.40, 867,111.90 and 262,541.80

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Solution

The fourth proportional to 578,085.40, 867,111.90 and 262,541.80 is: 393,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,085.40 : 867,111.90 = 262,541.80 : x
  2. Step 2: Convert to fraction form
    578,085.40/867,111.90 = 262,541.80/x
  3. Step 3: Cross multiply
    578,085.40x = 867,111.90 × 262,541.80
  4. Step 4: Simplify right side
    578,085.40x = 227,653,119,027.42
  5. Step 5: Solve for x
    x = 227,653,119,027.42/578,085.40
  6. Step 6: Final answer
    x = 393,805.34

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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.