Home / 943,330.64-1,301,730.52-535,440.80

Finding the Fourth Proportional to 943,330.64, 1,301,730.52 and 535,440.80

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Solution

The fourth proportional to 943,330.64, 1,301,730.52 and 535,440.80 is: 738,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,330.64 : 1,301,730.52 = 535,440.80 : x
  2. Step 2: Convert to fraction form
    943,330.64/1,301,730.52 = 535,440.80/x
  3. Step 3: Cross multiply
    943,330.64x = 1,301,730.52 × 535,440.80
  4. Step 4: Simplify right side
    943,330.64x = 696,999,631,013.22
  5. Step 5: Solve for x
    x = 696,999,631,013.22/943,330.64
  6. Step 6: Final answer
    x = 738,870.98

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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.