Home / 877,567.60-1,316,351.40-405,175.60

Finding the Fourth Proportional to 877,567.60, 1,316,351.40 and 405,175.60

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Solution

The fourth proportional to 877,567.60, 1,316,351.40 and 405,175.60 is: 607,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,567.60 : 1,316,351.40 = 405,175.60 : x
  2. Step 2: Convert to fraction form
    877,567.60/1,316,351.40 = 405,175.60/x
  3. Step 3: Cross multiply
    877,567.60x = 1,316,351.40 × 405,175.60
  4. Step 4: Simplify right side
    877,567.60x = 533,353,468,305.84
  5. Step 5: Solve for x
    x = 533,353,468,305.84/877,567.60
  6. Step 6: Final answer
    x = 607,763.40

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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.