Home / 579,501.60-869,252.40-558,506.40

Finding the Fourth Proportional to 579,501.60, 869,252.40 and 558,506.40

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Solution

The fourth proportional to 579,501.60, 869,252.40 and 558,506.40 is: 837,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,501.60 : 869,252.40 = 558,506.40 : x
  2. Step 2: Convert to fraction form
    579,501.60/869,252.40 = 558,506.40/x
  3. Step 3: Cross multiply
    579,501.60x = 869,252.40 × 558,506.40
  4. Step 4: Simplify right side
    579,501.60x = 485,483,028,615.36
  5. Step 5: Solve for x
    x = 485,483,028,615.36/579,501.60
  6. Step 6: Final answer
    x = 837,759.60

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Half scale
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Double scale
Find fourth proportional to 579,502.60, 869,253.90 and 558,507.40
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.