Home / 915,607.68-1,373,162.08-383,042.40

Finding the Fourth Proportional to 915,607.68, 1,373,162.08 and 383,042.40

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Solution

The fourth proportional to 915,607.68, 1,373,162.08 and 383,042.40 is: 574,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,607.68 : 1,373,162.08 = 383,042.40 : x
  2. Step 2: Convert to fraction form
    915,607.68/1,373,162.08 = 383,042.40/x
  3. Step 3: Cross multiply
    915,607.68x = 1,373,162.08 × 383,042.40
  4. Step 4: Simplify right side
    915,607.68x = 525,979,298,712.19
  5. Step 5: Solve for x
    x = 525,979,298,712.19/915,607.68
  6. Step 6: Final answer
    x = 574,459.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.