Home / 760,793.08-1,049,881.62-421,254.04

Finding the Fourth Proportional to 760,793.08, 1,049,881.62 and 421,254.04

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Solution

The fourth proportional to 760,793.08, 1,049,881.62 and 421,254.04 is: 581,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,793.08 : 1,049,881.62 = 421,254.04 : x
  2. Step 2: Convert to fraction form
    760,793.08/1,049,881.62 = 421,254.04/x
  3. Step 3: Cross multiply
    760,793.08x = 1,049,881.62 × 421,254.04
  4. Step 4: Simplify right side
    760,793.08x = 442,266,873,946.75
  5. Step 5: Solve for x
    x = 442,266,873,946.75/760,793.08
  6. Step 6: Final answer
    x = 581,323.47

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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.