Home / 705,528.39-973,631.03-383,235.87

Finding the Fourth Proportional to 705,528.39, 973,631.03 and 383,235.87

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Solution

The fourth proportional to 705,528.39, 973,631.03 and 383,235.87 is: 528,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,528.39 : 973,631.03 = 383,235.87 : x
  2. Step 2: Convert to fraction form
    705,528.39/973,631.03 = 383,235.87/x
  3. Step 3: Cross multiply
    705,528.39x = 973,631.03 × 383,235.87
  4. Step 4: Simplify right side
    705,528.39x = 373,130,332,924.87
  5. Step 5: Solve for x
    x = 373,130,332,924.87/705,528.39
  6. Step 6: Final answer
    x = 528,866.50

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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.