Home / 697,762.60-1,044,570.30-417,135.40

Finding the Fourth Proportional to 697,762.60, 1,044,570.30 and 417,135.40

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Solution

The fourth proportional to 697,762.60, 1,044,570.30 and 417,135.40 is: 624,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,762.60 : 1,044,570.30 = 417,135.40 : x
  2. Step 2: Convert to fraction form
    697,762.60/1,044,570.30 = 417,135.40/x
  3. Step 3: Cross multiply
    697,762.60x = 1,044,570.30 × 417,135.40
  4. Step 4: Simplify right side
    697,762.60x = 435,727,249,918.62
  5. Step 5: Solve for x
    x = 435,727,249,918.62/697,762.60
  6. Step 6: Final answer
    x = 624,463.46

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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.