Home / 910,454.02-1,256,426.62-502,555.97

Finding the Fourth Proportional to 910,454.02, 1,256,426.62 and 502,555.97

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Solution

The fourth proportional to 910,454.02, 1,256,426.62 and 502,555.97 is: 693,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,454.02 : 1,256,426.62 = 502,555.97 : x
  2. Step 2: Convert to fraction form
    910,454.02/1,256,426.62 = 502,555.97/x
  3. Step 3: Cross multiply
    910,454.02x = 1,256,426.62 × 502,555.97
  4. Step 4: Simplify right side
    910,454.02x = 631,424,700,632.60
  5. Step 5: Solve for x
    x = 631,424,700,632.60/910,454.02
  6. Step 6: Final answer
    x = 693,527.28

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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.