Home / 961,429.08-1,326,624.72-553,452.08

Finding the Fourth Proportional to 961,429.08, 1,326,624.72 and 553,452.08

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Solution

The fourth proportional to 961,429.08, 1,326,624.72 and 553,452.08 is: 763,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,429.08 : 1,326,624.72 = 553,452.08 : x
  2. Step 2: Convert to fraction form
    961,429.08/1,326,624.72 = 553,452.08/x
  3. Step 3: Cross multiply
    961,429.08x = 1,326,624.72 × 553,452.08
  4. Step 4: Simplify right side
    961,429.08x = 734,223,210,663.42
  5. Step 5: Solve for x
    x = 734,223,210,663.42/961,429.08
  6. Step 6: Final answer
    x = 763,679.01

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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.