Home / 910,239.18-1,256,127.44-502,338.06

Finding the Fourth Proportional to 910,239.18, 1,256,127.44 and 502,338.06

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Solution

The fourth proportional to 910,239.18, 1,256,127.44 and 502,338.06 is: 693,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,239.18 : 1,256,127.44 = 502,338.06 : x
  2. Step 2: Convert to fraction form
    910,239.18/1,256,127.44 = 502,338.06/x
  3. Step 3: Cross multiply
    910,239.18x = 1,256,127.44 × 502,338.06
  4. Step 4: Simplify right side
    910,239.18x = 631,000,621,322.37
  5. Step 5: Solve for x
    x = 631,000,621,322.37/910,239.18
  6. Step 6: Final answer
    x = 693,225.07

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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.