Home / 810,574.02-1,118,518.92-466,318.26

Finding the Fourth Proportional to 810,574.02, 1,118,518.92 and 466,318.26

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Solution

The fourth proportional to 810,574.02, 1,118,518.92 and 466,318.26 is: 643,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,574.02 : 1,118,518.92 = 466,318.26 : x
  2. Step 2: Convert to fraction form
    810,574.02/1,118,518.92 = 466,318.26/x
  3. Step 3: Cross multiply
    810,574.02x = 1,118,518.92 × 466,318.26
  4. Step 4: Simplify right side
    810,574.02x = 521,585,796,551.48
  5. Step 5: Solve for x
    x = 521,585,796,551.48/810,574.02
  6. Step 6: Final answer
    x = 643,477.07

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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.