Home / 936,019.52-1,402,864.40-455,854.72

Finding the Fourth Proportional to 936,019.52, 1,402,864.40 and 455,854.72

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Solution

The fourth proportional to 936,019.52, 1,402,864.40 and 455,854.72 is: 683,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,019.52 : 1,402,864.40 = 455,854.72 : x
  2. Step 2: Convert to fraction form
    936,019.52/1,402,864.40 = 455,854.72/x
  3. Step 3: Cross multiply
    936,019.52x = 1,402,864.40 × 455,854.72
  4. Step 4: Simplify right side
    936,019.52x = 639,502,358,259.97
  5. Step 5: Solve for x
    x = 639,502,358,259.97/936,019.52
  6. Step 6: Final answer
    x = 683,214.77

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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.