Home / 910,484.20-1,256,468.45-502,586.31

Finding the Fourth Proportional to 910,484.20, 1,256,468.45 and 502,586.31

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Solution

The fourth proportional to 910,484.20, 1,256,468.45 and 502,586.31 is: 693,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,484.20 : 1,256,468.45 = 502,586.31 : x
  2. Step 2: Convert to fraction form
    910,484.20/1,256,468.45 = 502,586.31/x
  3. Step 3: Cross multiply
    910,484.20x = 1,256,468.45 × 502,586.31
  4. Step 4: Simplify right side
    910,484.20x = 631,483,839,403.99
  5. Step 5: Solve for x
    x = 631,483,839,403.99/910,484.20
  6. Step 6: Final answer
    x = 693,569.25

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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.