Home / 879,047.68-1,213,086.48-476,639.68

Finding the Fourth Proportional to 879,047.68, 1,213,086.48 and 476,639.68

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Solution

The fourth proportional to 879,047.68, 1,213,086.48 and 476,639.68 is: 657,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,047.68 : 1,213,086.48 = 476,639.68 : x
  2. Step 2: Convert to fraction form
    879,047.68/1,213,086.48 = 476,639.68/x
  3. Step 3: Cross multiply
    879,047.68x = 1,213,086.48 × 476,639.68
  4. Step 4: Simplify right side
    879,047.68x = 578,205,151,639.53
  5. Step 5: Solve for x
    x = 578,205,151,639.53/879,047.68
  6. Step 6: Final answer
    x = 657,763.13

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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.