Home / 910,434.65-1,256,399.91-502,536.60

Finding the Fourth Proportional to 910,434.65, 1,256,399.91 and 502,536.60

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Solution

The fourth proportional to 910,434.65, 1,256,399.91 and 502,536.60 is: 693,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,434.65 : 1,256,399.91 = 502,536.60 : x
  2. Step 2: Convert to fraction form
    910,434.65/1,256,399.91 = 502,536.60/x
  3. Step 3: Cross multiply
    910,434.65x = 1,256,399.91 × 502,536.60
  4. Step 4: Simplify right side
    910,434.65x = 631,386,939,011.71
  5. Step 5: Solve for x
    x = 631,386,939,011.71/910,434.65
  6. Step 6: Final answer
    x = 693,500.56

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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.