Home / 757,632.64-1,045,926.14-553,454.32

Finding the Fourth Proportional to 757,632.64, 1,045,926.14 and 553,454.32

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Solution

The fourth proportional to 757,632.64, 1,045,926.14 and 553,454.32 is: 764,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,632.64 : 1,045,926.14 = 553,454.32 : x
  2. Step 2: Convert to fraction form
    757,632.64/1,045,926.14 = 553,454.32/x
  3. Step 3: Cross multiply
    757,632.64x = 1,045,926.14 × 553,454.32
  4. Step 4: Simplify right side
    757,632.64x = 578,872,340,583.93
  5. Step 5: Solve for x
    x = 578,872,340,583.93/757,632.64
  6. Step 6: Final answer
    x = 764,054.12

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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.