Home / 877,126.98-1,210,434.89-474,718.98

Finding the Fourth Proportional to 877,126.98, 1,210,434.89 and 474,718.98

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Solution

The fourth proportional to 877,126.98, 1,210,434.89 and 474,718.98 is: 655,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,126.98 : 1,210,434.89 = 474,718.98 : x
  2. Step 2: Convert to fraction form
    877,126.98/1,210,434.89 = 474,718.98/x
  3. Step 3: Cross multiply
    877,126.98x = 1,210,434.89 × 474,718.98
  4. Step 4: Simplify right side
    877,126.98x = 574,616,413,963.62
  5. Step 5: Solve for x
    x = 574,616,413,963.62/877,126.98
  6. Step 6: Final answer
    x = 655,112.00

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1.5x scale

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.