Home / 705,589.08-973,676.09-383,298.18

Finding the Fourth Proportional to 705,589.08, 973,676.09 and 383,298.18

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Solution

The fourth proportional to 705,589.08, 973,676.09 and 383,298.18 is: 528,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,589.08 : 973,676.09 = 383,298.18 : x
  2. Step 2: Convert to fraction form
    705,589.08/973,676.09 = 383,298.18/x
  3. Step 3: Cross multiply
    705,589.08x = 973,676.09 × 383,298.18
  4. Step 4: Simplify right side
    705,589.08x = 373,208,270,513.48
  5. Step 5: Solve for x
    x = 373,208,270,513.48/705,589.08
  6. Step 6: Final answer
    x = 528,931.47

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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.