Home / 965,391.39-1,332,303.75-557,510.34

Finding the Fourth Proportional to 965,391.39, 1,332,303.75 and 557,510.34

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Solution

The fourth proportional to 965,391.39, 1,332,303.75 and 557,510.34 is: 769,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,391.39 : 1,332,303.75 = 557,510.34 : x
  2. Step 2: Convert to fraction form
    965,391.39/1,332,303.75 = 557,510.34/x
  3. Step 3: Cross multiply
    965,391.39x = 1,332,303.75 × 557,510.34
  4. Step 4: Simplify right side
    965,391.39x = 742,773,116,645.78
  5. Step 5: Solve for x
    x = 742,773,116,645.78/965,391.39
  6. Step 6: Final answer
    x = 769,401.02

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Double scale
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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.