Home / 705,607.46-973,746.59-383,322.63

Finding the Fourth Proportional to 705,607.46, 973,746.59 and 383,322.63

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Solution

The fourth proportional to 705,607.46, 973,746.59 and 383,322.63 is: 528,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,607.46 : 973,746.59 = 383,322.63 : x
  2. Step 2: Convert to fraction form
    705,607.46/973,746.59 = 383,322.63/x
  3. Step 3: Cross multiply
    705,607.46x = 973,746.59 × 383,322.63
  4. Step 4: Simplify right side
    705,607.46x = 373,259,105,567.27
  5. Step 5: Solve for x
    x = 373,259,105,567.27/705,607.46
  6. Step 6: Final answer
    x = 528,989.74

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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.