Home / 910,484.28-1,256,468.54-502,586.36

Finding the Fourth Proportional to 910,484.28, 1,256,468.54 and 502,586.36

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Solution

The fourth proportional to 910,484.28, 1,256,468.54 and 502,586.36 is: 693,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,484.28 : 1,256,468.54 = 502,586.36 : x
  2. Step 2: Convert to fraction form
    910,484.28/1,256,468.54 = 502,586.36/x
  3. Step 3: Cross multiply
    910,484.28x = 1,256,468.54 × 502,586.36
  4. Step 4: Simplify right side
    910,484.28x = 631,483,949,973.11
  5. Step 5: Solve for x
    x = 631,483,949,973.11/910,484.28
  6. Step 6: Final answer
    x = 693,569.31

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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.