Home / 760,837.08-1,049,942.34-421,298.04

Finding the Fourth Proportional to 760,837.08, 1,049,942.34 and 421,298.04

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Solution

The fourth proportional to 760,837.08, 1,049,942.34 and 421,298.04 is: 581,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,837.08 : 1,049,942.34 = 421,298.04 : x
  2. Step 2: Convert to fraction form
    760,837.08/1,049,942.34 = 421,298.04/x
  3. Step 3: Cross multiply
    760,837.08x = 1,049,942.34 × 421,298.04
  4. Step 4: Simplify right side
    760,837.08x = 442,338,649,955.01
  5. Step 5: Solve for x
    x = 442,338,649,955.01/760,837.08
  6. Step 6: Final answer
    x = 581,384.19

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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.