Home / 958,875.78-1,323,280.34-523,316.96

Finding the Fourth Proportional to 958,875.78, 1,323,280.34 and 523,316.96

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Solution

The fourth proportional to 958,875.78, 1,323,280.34 and 523,316.96 is: 722,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,875.78 : 1,323,280.34 = 523,316.96 : x
  2. Step 2: Convert to fraction form
    958,875.78/1,323,280.34 = 523,316.96/x
  3. Step 3: Cross multiply
    958,875.78x = 1,323,280.34 × 523,316.96
  4. Step 4: Simplify right side
    958,875.78x = 692,495,044,756.57
  5. Step 5: Solve for x
    x = 692,495,044,756.57/958,875.78
  6. Step 6: Final answer
    x = 722,194.74

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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.