Home / 495,417.06-683,676.86-291,475.67

Finding the Fourth Proportional to 495,417.06, 683,676.86 and 291,475.67

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Solution

The fourth proportional to 495,417.06, 683,676.86 and 291,475.67 is: 402,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,417.06 : 683,676.86 = 291,475.67 : x
  2. Step 2: Convert to fraction form
    495,417.06/683,676.86 = 291,475.67/x
  3. Step 3: Cross multiply
    495,417.06x = 683,676.86 × 291,475.67
  4. Step 4: Simplify right side
    495,417.06x = 199,275,165,956.23
  5. Step 5: Solve for x
    x = 199,275,165,956.23/495,417.06
  6. Step 6: Final answer
    x = 402,237.19

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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.