Home / 1,012,037.76-1,397,256.16-630,624.96

Finding the Fourth Proportional to 1,012,037.76, 1,397,256.16 and 630,624.96

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Solution

The fourth proportional to 1,012,037.76, 1,397,256.16 and 630,624.96 is: 870,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,037.76 : 1,397,256.16 = 630,624.96 : x
  2. Step 2: Convert to fraction form
    1,012,037.76/1,397,256.16 = 630,624.96/x
  3. Step 3: Cross multiply
    1,012,037.76x = 1,397,256.16 × 630,624.96
  4. Step 4: Simplify right side
    1,012,037.76x = 881,144,610,009.75
  5. Step 5: Solve for x
    x = 881,144,610,009.75/1,012,037.76
  6. Step 6: Final answer
    x = 870,663.77

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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.