Home / 847,086.76-1,169,017.86-507,547.72

Finding the Fourth Proportional to 847,086.76, 1,169,017.86 and 507,547.72

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Solution

The fourth proportional to 847,086.76, 1,169,017.86 and 507,547.72 is: 700,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,086.76 : 1,169,017.86 = 507,547.72 : x
  2. Step 2: Convert to fraction form
    847,086.76/1,169,017.86 = 507,547.72/x
  3. Step 3: Cross multiply
    847,086.76x = 1,169,017.86 × 507,547.72
  4. Step 4: Simplify right side
    847,086.76x = 593,332,349,482.28
  5. Step 5: Solve for x
    x = 593,332,349,482.28/847,086.76
  6. Step 6: Final answer
    x = 700,438.70

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Double scale
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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.