Home / 875,709.48-1,208,478.55-473,301.48

Finding the Fourth Proportional to 875,709.48, 1,208,478.55 and 473,301.48

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Solution

The fourth proportional to 875,709.48, 1,208,478.55 and 473,301.48 is: 653,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,709.48 : 1,208,478.55 = 473,301.48 : x
  2. Step 2: Convert to fraction form
    875,709.48/1,208,478.55 = 473,301.48/x
  3. Step 3: Cross multiply
    875,709.48x = 1,208,478.55 × 473,301.48
  4. Step 4: Simplify right side
    875,709.48x = 571,974,686,263.25
  5. Step 5: Solve for x
    x = 571,974,686,263.25/875,709.48
  6. Step 6: Final answer
    x = 653,155.75

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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.