Home / 768,185.93-1,060,521.19-462,337.40

Finding the Fourth Proportional to 768,185.93, 1,060,521.19 and 462,337.40

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Solution

The fourth proportional to 768,185.93, 1,060,521.19 and 462,337.40 is: 638,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,185.93 : 1,060,521.19 = 462,337.40 : x
  2. Step 2: Convert to fraction form
    768,185.93/1,060,521.19 = 462,337.40/x
  3. Step 3: Cross multiply
    768,185.93x = 1,060,521.19 × 462,337.40
  4. Step 4: Simplify right side
    768,185.93x = 490,318,611,124.97
  5. Step 5: Solve for x
    x = 490,318,611,124.97/768,185.93
  6. Step 6: Final answer
    x = 638,281.16

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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.