Home / 1,708,328.60-2,563,477.05-644,134.40

Finding the Fourth Proportional to 1,708,328.60, 2,563,477.05 and 644,134.40

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Solution

The fourth proportional to 1,708,328.60, 2,563,477.05 and 644,134.40 is: 966,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,328.60 : 2,563,477.05 = 644,134.40 : x
  2. Step 2: Convert to fraction form
    1,708,328.60/2,563,477.05 = 644,134.40/x
  3. Step 3: Cross multiply
    1,708,328.60x = 2,563,477.05 × 644,134.40
  4. Step 4: Simplify right side
    1,708,328.60x = 1,651,223,751,515.52
  5. Step 5: Solve for x
    x = 1,651,223,751,515.52/1,708,328.60
  6. Step 6: Final answer
    x = 966,572.68

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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.