Home / 910,223.68-1,256,100.16-502,329.28

Finding the Fourth Proportional to 910,223.68, 1,256,100.16 and 502,329.28

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Solution

The fourth proportional to 910,223.68, 1,256,100.16 and 502,329.28 is: 693,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,223.68 : 1,256,100.16 = 502,329.28 : x
  2. Step 2: Convert to fraction form
    910,223.68/1,256,100.16 = 502,329.28/x
  3. Step 3: Cross multiply
    910,223.68x = 1,256,100.16 × 502,329.28
  4. Step 4: Simplify right side
    910,223.68x = 630,975,888,980.69
  5. Step 5: Solve for x
    x = 630,975,888,980.69/910,223.68
  6. Step 6: Final answer
    x = 693,209.71

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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.