Home / 912,159.18-1,258,771.46-504,271.40

Finding the Fourth Proportional to 912,159.18, 1,258,771.46 and 504,271.40

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Solution

The fourth proportional to 912,159.18, 1,258,771.46 and 504,271.40 is: 695,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,159.18 : 1,258,771.46 = 504,271.40 : x
  2. Step 2: Convert to fraction form
    912,159.18/1,258,771.46 = 504,271.40/x
  3. Step 3: Cross multiply
    912,159.18x = 1,258,771.46 × 504,271.40
  4. Step 4: Simplify right side
    912,159.18x = 634,762,437,599.03
  5. Step 5: Solve for x
    x = 634,762,437,599.03/912,159.18
  6. Step 6: Final answer
    x = 695,889.98

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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.