Home / 964,385.40-1,330,883.46-534,705.60

Finding the Fourth Proportional to 964,385.40, 1,330,883.46 and 534,705.60

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Solution

The fourth proportional to 964,385.40, 1,330,883.46 and 534,705.60 is: 737,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,385.40 : 1,330,883.46 = 534,705.60 : x
  2. Step 2: Convert to fraction form
    964,385.40/1,330,883.46 = 534,705.60/x
  3. Step 3: Cross multiply
    964,385.40x = 1,330,883.46 × 534,705.60
  4. Step 4: Simplify right side
    964,385.40x = 711,630,839,009.38
  5. Step 5: Solve for x
    x = 711,630,839,009.38/964,385.40
  6. Step 6: Final answer
    x = 737,911.25

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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.