Home / 690,636.32-953,618.72-540,162.08

Finding the Fourth Proportional to 690,636.32, 953,618.72 and 540,162.08

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Solution

The fourth proportional to 690,636.32, 953,618.72 and 540,162.08 is: 745,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,636.32 : 953,618.72 = 540,162.08 : x
  2. Step 2: Convert to fraction form
    690,636.32/953,618.72 = 540,162.08/x
  3. Step 3: Cross multiply
    690,636.32x = 953,618.72 × 540,162.08
  4. Step 4: Simplify right side
    690,636.32x = 515,108,671,322.14
  5. Step 5: Solve for x
    x = 515,108,671,322.14/690,636.32
  6. Step 6: Final answer
    x = 745,846.48

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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.