Home / 877,561.92-1,211,038.56-475,153.92

Finding the Fourth Proportional to 877,561.92, 1,211,038.56 and 475,153.92

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Solution

The fourth proportional to 877,561.92, 1,211,038.56 and 475,153.92 is: 655,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,561.92 : 1,211,038.56 = 475,153.92 : x
  2. Step 2: Convert to fraction form
    877,561.92/1,211,038.56 = 475,153.92/x
  3. Step 3: Cross multiply
    877,561.92x = 1,211,038.56 × 475,153.92
  4. Step 4: Simplify right side
    877,561.92x = 575,429,719,055.16
  5. Step 5: Solve for x
    x = 575,429,719,055.16/877,561.92
  6. Step 6: Final answer
    x = 655,714.09

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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.