Home / 706,378.38-974,795.07-384,088.56

Finding the Fourth Proportional to 706,378.38, 974,795.07 and 384,088.56

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Solution

The fourth proportional to 706,378.38, 974,795.07 and 384,088.56 is: 530,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,378.38 : 974,795.07 = 384,088.56 : x
  2. Step 2: Convert to fraction form
    706,378.38/974,795.07 = 384,088.56/x
  3. Step 3: Cross multiply
    706,378.38x = 974,795.07 × 384,088.56
  4. Step 4: Simplify right side
    706,378.38x = 374,407,634,731.40
  5. Step 5: Solve for x
    x = 374,407,634,731.40/706,378.38
  6. Step 6: Final answer
    x = 530,038.36

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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.