Home / 1,447,957.80-1,998,472.50-836,210.16

Finding the Fourth Proportional to 1,447,957.80, 1,998,472.50 and 836,210.16

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Solution

The fourth proportional to 1,447,957.80, 1,998,472.50 and 836,210.16 is: 1,154,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,957.80 : 1,998,472.50 = 836,210.16 : x
  2. Step 2: Convert to fraction form
    1,447,957.80/1,998,472.50 = 836,210.16/x
  3. Step 3: Cross multiply
    1,447,957.80x = 1,998,472.50 × 836,210.16
  4. Step 4: Simplify right side
    1,447,957.80x = 1,671,143,008,980.60
  5. Step 5: Solve for x
    x = 1,671,143,008,980.60/1,447,957.80
  6. Step 6: Final answer
    x = 1,154,137.92

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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.