Home / 705,591.08-973,678.86-383,300.18

Finding the Fourth Proportional to 705,591.08, 973,678.86 and 383,300.18

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Solution

The fourth proportional to 705,591.08, 973,678.86 and 383,300.18 is: 528,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,591.08 : 973,678.86 = 383,300.18 : x
  2. Step 2: Convert to fraction form
    705,591.08/973,678.86 = 383,300.18/x
  3. Step 3: Cross multiply
    705,591.08x = 973,678.86 × 383,300.18
  4. Step 4: Simplify right side
    705,591.08x = 373,211,282,300.20
  5. Step 5: Solve for x
    x = 373,211,282,300.20/705,591.08
  6. Step 6: Final answer
    x = 528,934.24

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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.