Home / 910,357.04-1,256,197.44-502,451.36

Finding the Fourth Proportional to 910,357.04, 1,256,197.44 and 502,451.36

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Solution

The fourth proportional to 910,357.04, 1,256,197.44 and 502,451.36 is: 693,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,357.04 : 1,256,197.44 = 502,451.36 : x
  2. Step 2: Convert to fraction form
    910,357.04/1,256,197.44 = 502,451.36/x
  3. Step 3: Cross multiply
    910,357.04x = 1,256,197.44 × 502,451.36
  4. Step 4: Simplify right side
    910,357.04x = 631,178,112,156.52
  5. Step 5: Solve for x
    x = 631,178,112,156.52/910,357.04
  6. Step 6: Final answer
    x = 693,330.29

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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.