Home / 705,187.19-973,158.32-403,381.19

Finding the Fourth Proportional to 705,187.19, 973,158.32 and 403,381.19

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Solution

The fourth proportional to 705,187.19, 973,158.32 and 403,381.19 is: 556,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,187.19 : 973,158.32 = 403,381.19 : x
  2. Step 2: Convert to fraction form
    705,187.19/973,158.32 = 403,381.19/x
  3. Step 3: Cross multiply
    705,187.19x = 973,158.32 × 403,381.19
  4. Step 4: Simplify right side
    705,187.19x = 392,553,758,747.11
  5. Step 5: Solve for x
    x = 392,553,758,747.11/705,187.19
  6. Step 6: Final answer
    x = 556,666.04

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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.