Home / 910,261.48-1,256,232.10-502,444.30

Finding the Fourth Proportional to 910,261.48, 1,256,232.10 and 502,444.30

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Solution

The fourth proportional to 910,261.48, 1,256,232.10 and 502,444.30 is: 693,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,261.48 : 1,256,232.10 = 502,444.30 : x
  2. Step 2: Convert to fraction form
    910,261.48/1,256,232.10 = 502,444.30/x
  3. Step 3: Cross multiply
    910,261.48x = 1,256,232.10 × 502,444.30
  4. Step 4: Simplify right side
    910,261.48x = 631,186,658,122.03
  5. Step 5: Solve for x
    x = 631,186,658,122.03/910,261.48
  6. Step 6: Final answer
    x = 693,412.47

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Double scale
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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.