Home / 760,422.90-1,049,494.44-438,070.98

Finding the Fourth Proportional to 760,422.90, 1,049,494.44 and 438,070.98

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Solution

The fourth proportional to 760,422.90, 1,049,494.44 and 438,070.98 is: 604,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,422.90 : 1,049,494.44 = 438,070.98 : x
  2. Step 2: Convert to fraction form
    760,422.90/1,049,494.44 = 438,070.98/x
  3. Step 3: Cross multiply
    760,422.90x = 1,049,494.44 × 438,070.98
  4. Step 4: Simplify right side
    760,422.90x = 459,753,057,835.35
  5. Step 5: Solve for x
    x = 459,753,057,835.35/760,422.90
  6. Step 6: Final answer
    x = 604,601.80

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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.