Home / 763,623.02-1,053,802.24-424,091.28

Finding the Fourth Proportional to 763,623.02, 1,053,802.24 and 424,091.28

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Solution

The fourth proportional to 763,623.02, 1,053,802.24 and 424,091.28 is: 585,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,623.02 : 1,053,802.24 = 424,091.28 : x
  2. Step 2: Convert to fraction form
    763,623.02/1,053,802.24 = 424,091.28/x
  3. Step 3: Cross multiply
    763,623.02x = 1,053,802.24 × 424,091.28
  4. Step 4: Simplify right side
    763,623.02x = 446,908,340,828.47
  5. Step 5: Solve for x
    x = 446,908,340,828.47/763,623.02
  6. Step 6: Final answer
    x = 585,247.34

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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.