Home / 688,409.12-946,635.58-597,606.36

Finding the Fourth Proportional to 688,409.12, 946,635.58 and 597,606.36

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Solution

The fourth proportional to 688,409.12, 946,635.58 and 597,606.36 is: 821,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,409.12 : 946,635.58 = 597,606.36 : x
  2. Step 2: Convert to fraction form
    688,409.12/946,635.58 = 597,606.36/x
  3. Step 3: Cross multiply
    688,409.12x = 946,635.58 × 597,606.36
  4. Step 4: Simplify right side
    688,409.12x = 565,715,443,210.29
  5. Step 5: Solve for x
    x = 565,715,443,210.29/688,409.12
  6. Step 6: Final answer
    x = 821,772.15

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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.