Home / 757,633.64-1,045,927.52-553,455.32

Finding the Fourth Proportional to 757,633.64, 1,045,927.52 and 553,455.32

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Solution

The fourth proportional to 757,633.64, 1,045,927.52 and 553,455.32 is: 764,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,633.64 : 1,045,927.52 = 553,455.32 : x
  2. Step 2: Convert to fraction form
    757,633.64/1,045,927.52 = 553,455.32/x
  3. Step 3: Cross multiply
    757,633.64x = 1,045,927.52 × 553,455.32
  4. Step 4: Simplify right side
    757,633.64x = 578,874,150,278.41
  5. Step 5: Solve for x
    x = 578,874,150,278.41/757,633.64
  6. Step 6: Final answer
    x = 764,055.50

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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.