Home / 910,581.31-1,256,606.23-502,686.50

Finding the Fourth Proportional to 910,581.31, 1,256,606.23 and 502,686.50

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Solution

The fourth proportional to 910,581.31, 1,256,606.23 and 502,686.50 is: 693,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,581.31 : 1,256,606.23 = 502,686.50 : x
  2. Step 2: Convert to fraction form
    910,581.31/1,256,606.23 = 502,686.50/x
  3. Step 3: Cross multiply
    910,581.31x = 1,256,606.23 × 502,686.50
  4. Step 4: Simplify right side
    910,581.31x = 631,678,989,521.69
  5. Step 5: Solve for x
    x = 631,678,989,521.69/910,581.31
  6. Step 6: Final answer
    x = 693,709.59

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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.