Home / 705,588.16-973,718.40-383,300.68

Finding the Fourth Proportional to 705,588.16, 973,718.40 and 383,300.68

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Solution

The fourth proportional to 705,588.16, 973,718.40 and 383,300.68 is: 528,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,588.16 : 973,718.40 = 383,300.68 : x
  2. Step 2: Convert to fraction form
    705,588.16/973,718.40 = 383,300.68/x
  3. Step 3: Cross multiply
    705,588.16x = 973,718.40 × 383,300.68
  4. Step 4: Simplify right side
    705,588.16x = 373,226,924,848.51
  5. Step 5: Solve for x
    x = 373,226,924,848.51/705,588.16
  6. Step 6: Final answer
    x = 528,958.60

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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.