Home / 912,263.60-1,258,985.40-530,289.20

Finding the Fourth Proportional to 912,263.60, 1,258,985.40 and 530,289.20

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Solution

The fourth proportional to 912,263.60, 1,258,985.40 and 530,289.20 is: 731,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,263.60 : 1,258,985.40 = 530,289.20 : x
  2. Step 2: Convert to fraction form
    912,263.60/1,258,985.40 = 530,289.20/x
  3. Step 3: Cross multiply
    912,263.60x = 1,258,985.40 × 530,289.20
  4. Step 4: Simplify right side
    912,263.60x = 667,626,360,577.68
  5. Step 5: Solve for x
    x = 667,626,360,577.68/912,263.60
  6. Step 6: Final answer
    x = 731,834.92

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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.