Home / 984,860.10-1,358,875.44-597,666.78

Finding the Fourth Proportional to 984,860.10, 1,358,875.44 and 597,666.78

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Solution

The fourth proportional to 984,860.10, 1,358,875.44 and 597,666.78 is: 824,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,860.10 : 1,358,875.44 = 597,666.78 : x
  2. Step 2: Convert to fraction form
    984,860.10/1,358,875.44 = 597,666.78/x
  3. Step 3: Cross multiply
    984,860.10x = 1,358,875.44 × 597,666.78
  4. Step 4: Simplify right side
    984,860.10x = 812,154,708,645.88
  5. Step 5: Solve for x
    x = 812,154,708,645.88/984,860.10
  6. Step 6: Final answer
    x = 824,639.67

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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.