Home / 912,280.32-1,258,896-504,358.35

Finding the Fourth Proportional to 912,280.32, 1,258,896 and 504,358.35

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Solution

The fourth proportional to 912,280.32, 1,258,896 and 504,358.35 is: 695,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,280.32 : 1,258,896 = 504,358.35 : x
  2. Step 2: Convert to fraction form
    912,280.32/1,258,896 = 504,358.35/x
  3. Step 3: Cross multiply
    912,280.32x = 1,258,896 × 504,358.35
  4. Step 4: Simplify right side
    912,280.32x = 634,934,709,381.60
  5. Step 5: Solve for x
    x = 634,934,709,381.60/912,280.32
  6. Step 6: Final answer
    x = 695,986.41

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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.