Home / 910,456.65-1,256,430.24-502,558.61

Finding the Fourth Proportional to 910,456.65, 1,256,430.24 and 502,558.61

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Solution

The fourth proportional to 910,456.65, 1,256,430.24 and 502,558.61 is: 693,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,456.65 : 1,256,430.24 = 502,558.61 : x
  2. Step 2: Convert to fraction form
    910,456.65/1,256,430.24 = 502,558.61/x
  3. Step 3: Cross multiply
    910,456.65x = 1,256,430.24 × 502,558.61
  4. Step 4: Simplify right side
    910,456.65x = 631,429,828,694.22
  5. Step 5: Solve for x
    x = 631,429,828,694.22/910,456.65
  6. Step 6: Final answer
    x = 693,530.91

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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.