Home / 904,528.54-1,357,087.65-455,017.42

Finding the Fourth Proportional to 904,528.54, 1,357,087.65 and 455,017.42

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Solution

The fourth proportional to 904,528.54, 1,357,087.65 and 455,017.42 is: 682,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,528.54 : 1,357,087.65 = 455,017.42 : x
  2. Step 2: Convert to fraction form
    904,528.54/1,357,087.65 = 455,017.42/x
  3. Step 3: Cross multiply
    904,528.54x = 1,357,087.65 × 455,017.42
  4. Step 4: Simplify right side
    904,528.54x = 617,498,521,216.86
  5. Step 5: Solve for x
    x = 617,498,521,216.86/904,528.54
  6. Step 6: Final answer
    x = 682,674.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.