Home / 910,185.71-1,256,081.81-502,313.27

Finding the Fourth Proportional to 910,185.71, 1,256,081.81 and 502,313.27

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Solution

The fourth proportional to 910,185.71, 1,256,081.81 and 502,313.27 is: 693,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,185.71 : 1,256,081.81 = 502,313.27 : x
  2. Step 2: Convert to fraction form
    910,185.71/1,256,081.81 = 502,313.27/x
  3. Step 3: Cross multiply
    910,185.71x = 1,256,081.81 × 502,313.27
  4. Step 4: Simplify right side
    910,185.71x = 630,946,558,857.05
  5. Step 5: Solve for x
    x = 630,946,558,857.05/910,185.71
  6. Step 6: Final answer
    x = 693,206.40

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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.