Home / 945,612.83-1,304,939.40-537,714.72

Finding the Fourth Proportional to 945,612.83, 1,304,939.40 and 537,714.72

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Solution

The fourth proportional to 945,612.83, 1,304,939.40 and 537,714.72 is: 742,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,612.83 : 1,304,939.40 = 537,714.72 : x
  2. Step 2: Convert to fraction form
    945,612.83/1,304,939.40 = 537,714.72/x
  3. Step 3: Cross multiply
    945,612.83x = 1,304,939.40 × 537,714.72
  4. Step 4: Simplify right side
    945,612.83x = 701,685,122,071.54
  5. Step 5: Solve for x
    x = 701,685,122,071.54/945,612.83
  6. Step 6: Final answer
    x = 742,042.72

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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.