Home / 708,893.47-977,720.07-454,268.35

Finding the Fourth Proportional to 708,893.47, 977,720.07 and 454,268.35

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Solution

The fourth proportional to 708,893.47, 977,720.07 and 454,268.35 is: 626,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,893.47 : 977,720.07 = 454,268.35 : x
  2. Step 2: Convert to fraction form
    708,893.47/977,720.07 = 454,268.35/x
  3. Step 3: Cross multiply
    708,893.47x = 977,720.07 × 454,268.35
  4. Step 4: Simplify right side
    708,893.47x = 444,147,282,960.78
  5. Step 5: Solve for x
    x = 444,147,282,960.78/708,893.47
  6. Step 6: Final answer
    x = 626,536.01

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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.