Home / 1,140,681.11-1,574,490.35-657,569.21

Finding the Fourth Proportional to 1,140,681.11, 1,574,490.35 and 657,569.21

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Solution

The fourth proportional to 1,140,681.11, 1,574,490.35 and 657,569.21 is: 907,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,681.11 : 1,574,490.35 = 657,569.21 : x
  2. Step 2: Convert to fraction form
    1,140,681.11/1,574,490.35 = 657,569.21/x
  3. Step 3: Cross multiply
    1,140,681.11x = 1,574,490.35 × 657,569.21
  4. Step 4: Simplify right side
    1,140,681.11x = 1,035,336,369,373.59
  5. Step 5: Solve for x
    x = 1,035,336,369,373.59/1,140,681.11
  6. Step 6: Final answer
    x = 907,647.51

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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.