Home / 877,616.90-1,316,425.35-776,140.10

Finding the Fourth Proportional to 877,616.90, 1,316,425.35 and 776,140.10

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Solution

The fourth proportional to 877,616.90, 1,316,425.35 and 776,140.10 is: 1,164,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,616.90 : 1,316,425.35 = 776,140.10 : x
  2. Step 2: Convert to fraction form
    877,616.90/1,316,425.35 = 776,140.10/x
  3. Step 3: Cross multiply
    877,616.90x = 1,316,425.35 × 776,140.10
  4. Step 4: Simplify right side
    877,616.90x = 1,021,730,502,791.54
  5. Step 5: Solve for x
    x = 1,021,730,502,791.54/877,616.90
  6. Step 6: Final answer
    x = 1,164,210.15

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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.