Home / 909,341.90-1,254,889.23-527,592.14

Finding the Fourth Proportional to 909,341.90, 1,254,889.23 and 527,592.14

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Solution

The fourth proportional to 909,341.90, 1,254,889.23 and 527,592.14 is: 728,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,341.90 : 1,254,889.23 = 527,592.14 : x
  2. Step 2: Convert to fraction form
    909,341.90/1,254,889.23 = 527,592.14/x
  3. Step 3: Cross multiply
    909,341.90x = 1,254,889.23 × 527,592.14
  4. Step 4: Simplify right side
    909,341.90x = 662,069,694,318.65
  5. Step 5: Solve for x
    x = 662,069,694,318.65/909,341.90
  6. Step 6: Final answer
    x = 728,075.65

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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.