Home / 1,223,264.61-1,688,095.17-671,989.53

Finding the Fourth Proportional to 1,223,264.61, 1,688,095.17 and 671,989.53

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Solution

The fourth proportional to 1,223,264.61, 1,688,095.17 and 671,989.53 is: 927,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,264.61 : 1,688,095.17 = 671,989.53 : x
  2. Step 2: Convert to fraction form
    1,223,264.61/1,688,095.17 = 671,989.53/x
  3. Step 3: Cross multiply
    1,223,264.61x = 1,688,095.17 × 671,989.53
  4. Step 4: Simplify right side
    1,223,264.61x = 1,134,382,279,883.57
  5. Step 5: Solve for x
    x = 1,134,382,279,883.57/1,223,264.61
  6. Step 6: Final answer
    x = 927,340.06

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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.