Home / 972,907.10-1,342,509.94-564,929.40

Finding the Fourth Proportional to 972,907.10, 1,342,509.94 and 564,929.40

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Solution

The fourth proportional to 972,907.10, 1,342,509.94 and 564,929.40 is: 779,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,907.10 : 1,342,509.94 = 564,929.40 : x
  2. Step 2: Convert to fraction form
    972,907.10/1,342,509.94 = 564,929.40/x
  3. Step 3: Cross multiply
    972,907.10x = 1,342,509.94 × 564,929.40
  4. Step 4: Simplify right side
    972,907.10x = 758,423,334,898.24
  5. Step 5: Solve for x
    x = 758,423,334,898.24/972,907.10
  6. Step 6: Final answer
    x = 779,543.43

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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.