Home / 697,011.75-1,045,502.24-286,594.54

Finding the Fourth Proportional to 697,011.75, 1,045,502.24 and 286,594.54

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Solution

The fourth proportional to 697,011.75, 1,045,502.24 and 286,594.54 is: 429,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,011.75 : 1,045,502.24 = 286,594.54 : x
  2. Step 2: Convert to fraction form
    697,011.75/1,045,502.24 = 286,594.54/x
  3. Step 3: Cross multiply
    697,011.75x = 1,045,502.24 × 286,594.54
  4. Step 4: Simplify right side
    697,011.75x = 299,635,233,541.77
  5. Step 5: Solve for x
    x = 299,635,233,541.77/697,011.75
  6. Step 6: Final answer
    x = 429,885.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.