Home / 1,022,465.40-1,533,698.10-644,551.80

Finding the Fourth Proportional to 1,022,465.40, 1,533,698.10 and 644,551.80

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Solution

The fourth proportional to 1,022,465.40, 1,533,698.10 and 644,551.80 is: 966,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,465.40 : 1,533,698.10 = 644,551.80 : x
  2. Step 2: Convert to fraction form
    1,022,465.40/1,533,698.10 = 644,551.80/x
  3. Step 3: Cross multiply
    1,022,465.40x = 1,533,698.10 × 644,551.80
  4. Step 4: Simplify right side
    1,022,465.40x = 988,547,871,011.58
  5. Step 5: Solve for x
    x = 988,547,871,011.58/1,022,465.40
  6. Step 6: Final answer
    x = 966,827.70

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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.