Home / 877,409.60-1,316,114.40-246,430.40

Finding the Fourth Proportional to 877,409.60, 1,316,114.40 and 246,430.40

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Solution

The fourth proportional to 877,409.60, 1,316,114.40 and 246,430.40 is: 369,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,409.60 : 1,316,114.40 = 246,430.40 : x
  2. Step 2: Convert to fraction form
    877,409.60/1,316,114.40 = 246,430.40/x
  3. Step 3: Cross multiply
    877,409.60x = 1,316,114.40 × 246,430.40
  4. Step 4: Simplify right side
    877,409.60x = 324,330,598,037.76
  5. Step 5: Solve for x
    x = 324,330,598,037.76/877,409.60
  6. Step 6: Final answer
    x = 369,645.60

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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.