Home / 572,075.10-858,112.65-545,831.10

Finding the Fourth Proportional to 572,075.10, 858,112.65 and 545,831.10

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Solution

The fourth proportional to 572,075.10, 858,112.65 and 545,831.10 is: 818,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.10 : 858,112.65 = 545,831.10 : x
  2. Step 2: Convert to fraction form
    572,075.10/858,112.65 = 545,831.10/x
  3. Step 3: Cross multiply
    572,075.10x = 858,112.65 × 545,831.10
  4. Step 4: Simplify right side
    572,075.10x = 468,384,571,673.42
  5. Step 5: Solve for x
    x = 468,384,571,673.42/572,075.10
  6. Step 6: Final answer
    x = 818,746.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.