Home / 1,223,773.40-1,688,708.27-707,560.45

Finding the Fourth Proportional to 1,223,773.40, 1,688,708.27 and 707,560.45

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Solution

The fourth proportional to 1,223,773.40, 1,688,708.27 and 707,560.45 is: 976,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,773.40 : 1,688,708.27 = 707,560.45 : x
  2. Step 2: Convert to fraction form
    1,223,773.40/1,688,708.27 = 707,560.45/x
  3. Step 3: Cross multiply
    1,223,773.40x = 1,688,708.27 × 707,560.45
  4. Step 4: Simplify right side
    1,223,773.40x = 1,194,863,180,987.05
  5. Step 5: Solve for x
    x = 1,194,863,180,987.05/1,223,773.40
  6. Step 6: Final answer
    x = 976,376.16

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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.