Home / 711,662.24-1,068,714.80-631,880.48

Finding the Fourth Proportional to 711,662.24, 1,068,714.80 and 631,880.48

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Solution

The fourth proportional to 711,662.24, 1,068,714.80 and 631,880.48 is: 948,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,662.24 : 1,068,714.80 = 631,880.48 : x
  2. Step 2: Convert to fraction form
    711,662.24/1,068,714.80 = 631,880.48/x
  3. Step 3: Cross multiply
    711,662.24x = 1,068,714.80 × 631,880.48
  4. Step 4: Simplify right side
    711,662.24x = 675,300,020,807.10
  5. Step 5: Solve for x
    x = 675,300,020,807.10/711,662.24
  6. Step 6: Final answer
    x = 948,905.23

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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.