Home / 904,812.79-1,249,126.42-697,628.68

Finding the Fourth Proportional to 904,812.79, 1,249,126.42 and 697,628.68

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Solution

The fourth proportional to 904,812.79, 1,249,126.42 and 697,628.68 is: 963,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,812.79 : 1,249,126.42 = 697,628.68 : x
  2. Step 2: Convert to fraction form
    904,812.79/1,249,126.42 = 697,628.68/x
  3. Step 3: Cross multiply
    904,812.79x = 1,249,126.42 × 697,628.68
  4. Step 4: Simplify right side
    904,812.79x = 871,426,415,537.73
  5. Step 5: Solve for x
    x = 871,426,415,537.73/904,812.79
  6. Step 6: Final answer
    x = 963,101.35

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1.5x scale

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.