Home / 697,911.84-1,042,140.07-554,143.93

Finding the Fourth Proportional to 697,911.84, 1,042,140.07 and 554,143.93

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Solution

The fourth proportional to 697,911.84, 1,042,140.07 and 554,143.93 is: 827,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,911.84 : 1,042,140.07 = 554,143.93 : x
  2. Step 2: Convert to fraction form
    697,911.84/1,042,140.07 = 554,143.93/x
  3. Step 3: Cross multiply
    697,911.84x = 1,042,140.07 × 554,143.93
  4. Step 4: Simplify right side
    697,911.84x = 577,495,590,009.57
  5. Step 5: Solve for x
    x = 577,495,590,009.57/697,911.84
  6. Step 6: Final answer
    x = 827,462.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.