Home / 771,681.52-1,064,861.40-432,103.60

Finding the Fourth Proportional to 771,681.52, 1,064,861.40 and 432,103.60

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Solution

The fourth proportional to 771,681.52, 1,064,861.40 and 432,103.60 is: 596,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,681.52 : 1,064,861.40 = 432,103.60 : x
  2. Step 2: Convert to fraction form
    771,681.52/1,064,861.40 = 432,103.60/x
  3. Step 3: Cross multiply
    771,681.52x = 1,064,861.40 × 432,103.60
  4. Step 4: Simplify right side
    771,681.52x = 460,130,444,441.04
  5. Step 5: Solve for x
    x = 460,130,444,441.04/771,681.52
  6. Step 6: Final answer
    x = 596,269.88

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Double scale
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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.