Home / 707,844.51-977,038.89-481,621.23

Finding the Fourth Proportional to 707,844.51, 977,038.89 and 481,621.23

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Solution

The fourth proportional to 707,844.51, 977,038.89 and 481,621.23 is: 664,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,844.51 : 977,038.89 = 481,621.23 : x
  2. Step 2: Convert to fraction form
    707,844.51/977,038.89 = 481,621.23/x
  3. Step 3: Cross multiply
    707,844.51x = 977,038.89 × 481,621.23
  4. Step 4: Simplify right side
    707,844.51x = 470,562,671,959.64
  5. Step 5: Solve for x
    x = 470,562,671,959.64/707,844.51
  6. Step 6: Final answer
    x = 664,782.54

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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.