Home / 961,405.07-1,326,338.10-553,409.28

Finding the Fourth Proportional to 961,405.07, 1,326,338.10 and 553,409.28

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Solution

The fourth proportional to 961,405.07, 1,326,338.10 and 553,409.28 is: 763,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,405.07 : 1,326,338.10 = 553,409.28 : x
  2. Step 2: Convert to fraction form
    961,405.07/1,326,338.10 = 553,409.28/x
  3. Step 3: Cross multiply
    961,405.07x = 1,326,338.10 × 553,409.28
  4. Step 4: Simplify right side
    961,405.07x = 734,007,812,957.57
  5. Step 5: Solve for x
    x = 734,007,812,957.57/961,405.07
  6. Step 6: Final answer
    x = 763,474.04

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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.