Home / 943,445.91-1,301,631.60-535,516.95

Finding the Fourth Proportional to 943,445.91, 1,301,631.60 and 535,516.95

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Solution

The fourth proportional to 943,445.91, 1,301,631.60 and 535,516.95 is: 738,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,445.91 : 1,301,631.60 = 535,516.95 : x
  2. Step 2: Convert to fraction form
    943,445.91/1,301,631.60 = 535,516.95/x
  3. Step 3: Cross multiply
    943,445.91x = 1,301,631.60 × 535,516.95
  4. Step 4: Simplify right side
    943,445.91x = 697,045,784,455.62
  5. Step 5: Solve for x
    x = 697,045,784,455.62/943,445.91
  6. Step 6: Final answer
    x = 738,829.62

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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.