Home / 770,459.10-1,155,688.65-546,072.90

Finding the Fourth Proportional to 770,459.10, 1,155,688.65 and 546,072.90

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Solution

The fourth proportional to 770,459.10, 1,155,688.65 and 546,072.90 is: 819,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,459.10 : 1,155,688.65 = 546,072.90 : x
  2. Step 2: Convert to fraction form
    770,459.10/1,155,688.65 = 546,072.90/x
  3. Step 3: Cross multiply
    770,459.10x = 1,155,688.65 × 546,072.90
  4. Step 4: Simplify right side
    770,459.10x = 631,090,252,602.59
  5. Step 5: Solve for x
    x = 631,090,252,602.59/770,459.10
  6. Step 6: Final answer
    x = 819,109.35

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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.