Home / 1,012,417.25-1,397,149.05-553,532.35

Finding the Fourth Proportional to 1,012,417.25, 1,397,149.05 and 553,532.35

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Solution

The fourth proportional to 1,012,417.25, 1,397,149.05 and 553,532.35 is: 763,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,417.25 : 1,397,149.05 = 553,532.35 : x
  2. Step 2: Convert to fraction form
    1,012,417.25/1,397,149.05 = 553,532.35/x
  3. Step 3: Cross multiply
    1,012,417.25x = 1,397,149.05 × 553,532.35
  4. Step 4: Simplify right side
    1,012,417.25x = 773,367,196,946.77
  5. Step 5: Solve for x
    x = 773,367,196,946.77/1,012,417.25
  6. Step 6: Final answer
    x = 763,881.89

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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.