Home / 904,810.79-1,249,123.66-697,626.68

Finding the Fourth Proportional to 904,810.79, 1,249,123.66 and 697,626.68

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Solution

The fourth proportional to 904,810.79, 1,249,123.66 and 697,626.68 is: 963,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,810.79 : 1,249,123.66 = 697,626.68 : x
  2. Step 2: Convert to fraction form
    904,810.79/1,249,123.66 = 697,626.68/x
  3. Step 3: Cross multiply
    904,810.79x = 1,249,123.66 × 697,626.68
  4. Step 4: Simplify right side
    904,810.79x = 871,421,983,845.56
  5. Step 5: Solve for x
    x = 871,421,983,845.56/904,810.79
  6. Step 6: Final answer
    x = 963,098.57

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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.