Home / 1,285,528.36-1,774,114.50-712,592.68

Finding the Fourth Proportional to 1,285,528.36, 1,774,114.50 and 712,592.68

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Solution

The fourth proportional to 1,285,528.36, 1,774,114.50 and 712,592.68 is: 983,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,528.36 : 1,774,114.50 = 712,592.68 : x
  2. Step 2: Convert to fraction form
    1,285,528.36/1,774,114.50 = 712,592.68/x
  3. Step 3: Cross multiply
    1,285,528.36x = 1,774,114.50 × 712,592.68
  4. Step 4: Simplify right side
    1,285,528.36x = 1,264,221,006,181.86
  5. Step 5: Solve for x
    x = 1,264,221,006,181.86/1,285,528.36
  6. Step 6: Final answer
    x = 983,425.22

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Double scale
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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.