Home / 1,178,487.68-1,626,191.81-662,159.53

Finding the Fourth Proportional to 1,178,487.68, 1,626,191.81 and 662,159.53

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Solution

The fourth proportional to 1,178,487.68, 1,626,191.81 and 662,159.53 is: 913,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,487.68 : 1,626,191.81 = 662,159.53 : x
  2. Step 2: Convert to fraction form
    1,178,487.68/1,626,191.81 = 662,159.53/x
  3. Step 3: Cross multiply
    1,178,487.68x = 1,626,191.81 × 662,159.53
  4. Step 4: Simplify right side
    1,178,487.68x = 1,076,798,397,223.17
  5. Step 5: Solve for x
    x = 1,076,798,397,223.17/1,178,487.68
  6. Step 6: Final answer
    x = 913,712.05

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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.