Home / 857,543.80-1,183,332.90-475,569.40

Finding the Fourth Proportional to 857,543.80, 1,183,332.90 and 475,569.40

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Solution

The fourth proportional to 857,543.80, 1,183,332.90 and 475,569.40 is: 656,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,543.80 : 1,183,332.90 = 475,569.40 : x
  2. Step 2: Convert to fraction form
    857,543.80/1,183,332.90 = 475,569.40/x
  3. Step 3: Cross multiply
    857,543.80x = 1,183,332.90 × 475,569.40
  4. Step 4: Simplify right side
    857,543.80x = 562,756,917,253.26
  5. Step 5: Solve for x
    x = 562,756,917,253.26/857,543.80
  6. Step 6: Final answer
    x = 656,242.77

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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.