Home / 939,430.64-1,296,276.45-525,946.04

Finding the Fourth Proportional to 939,430.64, 1,296,276.45 and 525,946.04

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Solution

The fourth proportional to 939,430.64, 1,296,276.45 and 525,946.04 is: 725,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,430.64 : 1,296,276.45 = 525,946.04 : x
  2. Step 2: Convert to fraction form
    939,430.64/1,296,276.45 = 525,946.04/x
  3. Step 3: Cross multiply
    939,430.64x = 1,296,276.45 × 525,946.04
  4. Step 4: Simplify right side
    939,430.64x = 681,771,465,622.76
  5. Step 5: Solve for x
    x = 681,771,465,622.76/939,430.64
  6. Step 6: Final answer
    x = 725,728.37

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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.